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  3. Google has known about a bug that breaks VPN apps for 7 months, leaving users exposed with no warning or error, just a VPN app that stopped working in the background.

Google has known about a bug that breaks VPN apps for 7 months, leaving users exposed with no warning or error, just a VPN app that stopped working in the background.

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  • protonprivacy@mastodon.socialP protonprivacy@mastodon.social

    Google has known about a bug that breaks VPN apps for 7 months, leaving users exposed with no warning or error, just a VPN app that stopped working in the background.

    If you're using ANY VPN on Android, you can help us by getting Google's attention to fix it.

    We first reported this bug to Google in September 2025.

    Others like @mullvadnet and Wireguard reported it even earlier, in August.

    Google's response? "I don't see anything unusual."

    Here's what's actually happening ⤵️

    bayo@me.dmB This user is from outside of this forum
    bayo@me.dmB This user is from outside of this forum
    bayo@me.dm
    wrote last edited by
    #12

    @protonprivacy @mullvadnet
    Who gets hurt most:
    Not the average user streaming Netflix. The people most exposed are exactly the people VPNs exist to protect i.e. journalists in hostile environments, activists, whistleblowers, people in countries where unencrypted traffic gets people killed. Silent VPN failure in those contexts isn't inconvenient. It's dangerous.

    1 Reply Last reply
    0
    • protonprivacy@mastodon.socialP protonprivacy@mastodon.social

      The bug corrupts Android's network stack at the system level after a VPN update, causing users to blame their VPN provider.

      Restarting the app doesn't help, with the only fix being a full device reboot or VPN app reinstall, something which most users never figure out.

      This affects several VPN providers on Android 16, and only Google has the access to diagnose it properly.

      After 7 months of waiting, we're now asking publicly: Google, when are you fixing this?

      okuna@social.tchncs.deO This user is from outside of this forum
      okuna@social.tchncs.deO This user is from outside of this forum
      okuna@social.tchncs.de
      wrote last edited by
      #13

      @protonprivacy You could never rely on Google network stack.

      And by the way, Apple is also bypassing VPN sometimes.

      Link Preview Image
      Warnung: Android leakt beim Connectivity-Check Daten an VPN-Verbindungen vorbei

      Aktuell prüfe ich für die Artikelserie »Custom-ROMs« gerade das Datensendeverhalten bekannter Android-ROMs. Dabei ist mir etwas aufgefallen…

      favicon

      (www.kuketz-blog.de)

      "We have looked into the feature request you have reported and would like to inform you that this is working as intended. We do not think such an option would be understandable by most users, so we don’t think there is a strong case for offering this."

      And the arrogance Google is showing is not new as well and gives me the feeling this is not a bug but it works as designed

      1 Reply Last reply
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      • raisondetredev@mastodon.deR raisondetredev@mastodon.de

        @protonprivacy @mullvadnet Since you are saying that only Google can inspect the issue, can one correctly assume that in projects as @GrapheneOS VPNs are not affected?

        Because on personal anecdote, I cannot recall an issue forcing a reboot in the last months regarding VPN use.

        okuna@social.tchncs.deO This user is from outside of this forum
        okuna@social.tchncs.deO This user is from outside of this forum
        okuna@social.tchncs.de
        wrote last edited by
        #14

        @raisondetredev @protonprivacy @mullvadnet @GrapheneOS +1

        1 Reply Last reply
        0
        • semitones@tiny.tilde.websiteS semitones@tiny.tilde.website

          @protonprivacy I thought grapheneos still depends on google to fix bugs in the underlying AOSP, I'm talking a Linux OS that can run android apps

          okuna@social.tchncs.deO This user is from outside of this forum
          okuna@social.tchncs.deO This user is from outside of this forum
          okuna@social.tchncs.de
          wrote last edited by
          #15

          @semitones @protonprivacy as far as I know, not in AOSP, because this is open source and I have read or heard that gos is fixing things Google doesn't fix.

          1 Reply Last reply
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          • raisondetredev@mastodon.deR raisondetredev@mastodon.de

            @protonprivacy @mullvadnet Since you are saying that only Google can inspect the issue, can one correctly assume that in projects as @GrapheneOS VPNs are not affected?

            Because on personal anecdote, I cannot recall an issue forcing a reboot in the last months regarding VPN use.

            splinux@mastodon.unoS This user is from outside of this forum
            splinux@mastodon.unoS This user is from outside of this forum
            splinux@mastodon.uno
            wrote last edited by
            #16

            @raisondetredev @protonprivacy @mullvadnet @GrapheneOS happens very frequently. It's a real bug. And both reinstall and reboot are required.

            1 Reply Last reply
            0
            • protonprivacy@mastodon.socialP protonprivacy@mastodon.social

              The bug corrupts Android's network stack at the system level after a VPN update, causing users to blame their VPN provider.

              Restarting the app doesn't help, with the only fix being a full device reboot or VPN app reinstall, something which most users never figure out.

              This affects several VPN providers on Android 16, and only Google has the access to diagnose it properly.

              After 7 months of waiting, we're now asking publicly: Google, when are you fixing this?

              tehstu@hachyderm.ioT This user is from outside of this forum
              tehstu@hachyderm.ioT This user is from outside of this forum
              tehstu@hachyderm.io
              wrote last edited by
              #17

              @protonprivacy I've had this happen to me on Mullvad, Proton, and my Wireguard link to my home router. And honestly, from the description, I think the issue may be even older, as I'm almost positive the DDG local tracker blocker used to do this.

              I had no idea it was an known issue in Android itself.

              Thanks for bringing it to light.

              1 Reply Last reply
              0
              • protonprivacy@mastodon.socialP protonprivacy@mastodon.social

                Google has known about a bug that breaks VPN apps for 7 months, leaving users exposed with no warning or error, just a VPN app that stopped working in the background.

                If you're using ANY VPN on Android, you can help us by getting Google's attention to fix it.

                We first reported this bug to Google in September 2025.

                Others like @mullvadnet and Wireguard reported it even earlier, in August.

                Google's response? "I don't see anything unusual."

                Here's what's actually happening ⤵️

                apalrd@hachyderm.ioA This user is from outside of this forum
                apalrd@hachyderm.ioA This user is from outside of this forum
                apalrd@hachyderm.io
                wrote last edited by
                #18

                @protonprivacy @mullvadnet

                As someone who's done plenty of Android testing in IPv6-mostly/only environments, this is not even slightly surprising, Android's networking state machine is a huge mess

                1 Reply Last reply
                0
                • protonprivacy@mastodon.socialP protonprivacy@mastodon.social

                  The bug corrupts Android's network stack at the system level after a VPN update, causing users to blame their VPN provider.

                  Restarting the app doesn't help, with the only fix being a full device reboot or VPN app reinstall, something which most users never figure out.

                  This affects several VPN providers on Android 16, and only Google has the access to diagnose it properly.

                  After 7 months of waiting, we're now asking publicly: Google, when are you fixing this?

                  funnymonkey@freeradical.zoneF This user is from outside of this forum
                  funnymonkey@freeradical.zoneF This user is from outside of this forum
                  funnymonkey@freeradical.zone
                  wrote last edited by
                  #19

                  @protonprivacy @mullvadnet

                  Making sure I'm reading this correctly:

                  If you're running Android (or an Android variant) and your VPN app updates, the only way to stop this issue is to:

                  1. Reboot your phone after the VPN update

                  OR

                  2. Keep the phone on, delete the VPN app, and reinstall the app

                  Am I correct in reading that one or the other approaches will fix this?

                  IE, restarting your phone after an update eliminates the need to delete and reinstall the app?

                  (and thank you, and Google wtaf)

                  danamcfarland@mastodon.socialD 1 Reply Last reply
                  0
                  • protonprivacy@mastodon.socialP protonprivacy@mastodon.social

                    @semitones https://discuss.grapheneos.org/d/21033-second-donation-to-grapheneos-by-the-proton-foundation

                    rusty__shackleford@mastodon.socialR This user is from outside of this forum
                    rusty__shackleford@mastodon.socialR This user is from outside of this forum
                    rusty__shackleford@mastodon.social
                    wrote last edited by
                    #20

                    @protonprivacy @semitones

                    Or we could stop the grift & circle jerk. Release your source code so we can make secure email a real standard. Stop releasing to the play store entirely & teach people to install their own apps safely.

                    Start initiatives to teach children about public private keys, identity verification, trust, & best practices.

                    Be a man proton.

                    Or are the normie dollars making you salivate? With fascism on their doorstep, you do have more customers, better bank on their ignorance…

                    itseperkele@expressional.socialI 1 Reply Last reply
                    0
                    • funnymonkey@freeradical.zoneF funnymonkey@freeradical.zone

                      @protonprivacy @mullvadnet

                      Making sure I'm reading this correctly:

                      If you're running Android (or an Android variant) and your VPN app updates, the only way to stop this issue is to:

                      1. Reboot your phone after the VPN update

                      OR

                      2. Keep the phone on, delete the VPN app, and reinstall the app

                      Am I correct in reading that one or the other approaches will fix this?

                      IE, restarting your phone after an update eliminates the need to delete and reinstall the app?

                      (and thank you, and Google wtaf)

                      danamcfarland@mastodon.socialD This user is from outside of this forum
                      danamcfarland@mastodon.socialD This user is from outside of this forum
                      danamcfarland@mastodon.social
                      wrote last edited by
                      #21

                      @funnymonkey @protonprivacy @mullvadnet can confirm that the second worked for my Samsung phone, and not the first. Yes, wtaf.

                      1 Reply Last reply
                      0
                      • protonprivacy@mastodon.socialP protonprivacy@mastodon.social

                        Issue Tracker Links:

                        Google Issue Tracker

                        favicon

                        (issuetracker.google.com)

                        Google Issue Tracker

                        favicon

                        (issuetracker.google.com)

                        hnapel@mastodon.socialH This user is from outside of this forum
                        hnapel@mastodon.socialH This user is from outside of this forum
                        hnapel@mastodon.social
                        wrote last edited by
                        #22

                        @protonprivacy

                        MF J6 on a raft, this is why I see ads where I didn't expect them as VPN (Wireguard) is connected to a router using PiHole DNS.

                        1 Reply Last reply
                        0
                        • rusty__shackleford@mastodon.socialR rusty__shackleford@mastodon.social

                          @protonprivacy @semitones

                          Or we could stop the grift & circle jerk. Release your source code so we can make secure email a real standard. Stop releasing to the play store entirely & teach people to install their own apps safely.

                          Start initiatives to teach children about public private keys, identity verification, trust, & best practices.

                          Be a man proton.

                          Or are the normie dollars making you salivate? With fascism on their doorstep, you do have more customers, better bank on their ignorance…

                          itseperkele@expressional.socialI This user is from outside of this forum
                          itseperkele@expressional.socialI This user is from outside of this forum
                          itseperkele@expressional.social
                          wrote last edited by
                          #23

                          @rusty__shackleford @protonprivacy @semitones
                          Proton: "hey google is ignoring this issue, lets make them fix it"

                          You: "you are not 1000% perfect, Proton! Man up! Greedy fucks!"

                          rusty__shackleford@mastodon.socialR oldoldcojote@climatejustice.socialO 2 Replies Last reply
                          0
                          • protonprivacy@mastodon.socialP protonprivacy@mastodon.social

                            Google has known about a bug that breaks VPN apps for 7 months, leaving users exposed with no warning or error, just a VPN app that stopped working in the background.

                            If you're using ANY VPN on Android, you can help us by getting Google's attention to fix it.

                            We first reported this bug to Google in September 2025.

                            Others like @mullvadnet and Wireguard reported it even earlier, in August.

                            Google's response? "I don't see anything unusual."

                            Here's what's actually happening ⤵️

                            babaq@mastodonczech.czB This user is from outside of this forum
                            babaq@mastodonczech.czB This user is from outside of this forum
                            babaq@mastodonczech.cz
                            wrote last edited by
                            #24

                            @protonprivacy and why didn't you inform your users and paying customers? because I don't recall any email from Proton on this topic...

                            1 Reply Last reply
                            0
                            • itseperkele@expressional.socialI itseperkele@expressional.social

                              @rusty__shackleford @protonprivacy @semitones
                              Proton: "hey google is ignoring this issue, lets make them fix it"

                              You: "you are not 1000% perfect, Proton! Man up! Greedy fucks!"

                              rusty__shackleford@mastodon.socialR This user is from outside of this forum
                              rusty__shackleford@mastodon.socialR This user is from outside of this forum
                              rusty__shackleford@mastodon.social
                              wrote last edited by
                              #25

                              @ItsePerkele @protonprivacy @semitones

                              Me: Fuck google

                              Me: Fuck proton too

                              itseperkele@expressional.socialI 1 Reply Last reply
                              0
                              • rusty__shackleford@mastodon.socialR rusty__shackleford@mastodon.social

                                @ItsePerkele @protonprivacy @semitones

                                Me: Fuck google

                                Me: Fuck proton too

                                itseperkele@expressional.socialI This user is from outside of this forum
                                itseperkele@expressional.socialI This user is from outside of this forum
                                itseperkele@expressional.social
                                wrote last edited by
                                #26

                                @rusty__shackleford @protonprivacy @semitones

                                Dont let perfection be the enemy of good.

                                Or something like that.

                                rusty__shackleford@mastodon.socialR 1 Reply Last reply
                                0
                                • itseperkele@expressional.socialI itseperkele@expressional.social

                                  @rusty__shackleford @protonprivacy @semitones

                                  Dont let perfection be the enemy of good.

                                  Or something like that.

                                  rusty__shackleford@mastodon.socialR This user is from outside of this forum
                                  rusty__shackleford@mastodon.socialR This user is from outside of this forum
                                  rusty__shackleford@mastodon.social
                                  wrote last edited by
                                  #27

                                  @ItsePerkele @protonprivacy @semitones

                                  Or, and this is a wild concept... we can hold everyone accountable. Crazy, I know.

                                  itseperkele@expressional.socialI 1 Reply Last reply
                                  0
                                  • georgelenzer@mastodon.socialG This user is from outside of this forum
                                    georgelenzer@mastodon.socialG This user is from outside of this forum
                                    georgelenzer@mastodon.social
                                    wrote last edited by
                                    #28

                                    @rusty__shackleford ...but they don't and never will. The best options we have are making things very simple to use, and secure by default. No knowledge needed.

                                    rusty__shackleford@mastodon.socialR 1 Reply Last reply
                                    0
                                    • georgelenzer@mastodon.socialG georgelenzer@mastodon.social

                                      @rusty__shackleford ...but they don't and never will. The best options we have are making things very simple to use, and secure by default. No knowledge needed.

                                      rusty__shackleford@mastodon.socialR This user is from outside of this forum
                                      rusty__shackleford@mastodon.socialR This user is from outside of this forum
                                      rusty__shackleford@mastodon.social
                                      wrote last edited by
                                      #29

                                      @georgelenzer

                                      *spoon feeds people

                                      You: I wish people knew how to do more

                                      *creates tools to remove friction

                                      You: It seems like people don't want to learn

                                      *makes algorithms reinforcing bias & ignorance

                                      You: People seem so tribalistic in this post truth age

                                      *refuses to teach because of "human nature"

                                      You: This is a realistic view

                                      How's that clown makeup look?

                                      If someone is incompetent, they shouldn't use it. It isn't our job to make it accessible for those who are ignorant. Teach & Learn.

                                      1 Reply Last reply
                                      0
                                      • rusty__shackleford@mastodon.socialR rusty__shackleford@mastodon.social

                                        @ItsePerkele @protonprivacy @semitones

                                        Or, and this is a wild concept... we can hold everyone accountable. Crazy, I know.

                                        itseperkele@expressional.socialI This user is from outside of this forum
                                        itseperkele@expressional.socialI This user is from outside of this forum
                                        itseperkele@expressional.social
                                        wrote last edited by
                                        #30

                                        @rusty__shackleford @protonprivacy @semitones

                                        Sure. But cant do everything at once.

                                        rusty__shackleford@mastodon.socialR 1 Reply Last reply
                                        0
                                        • protonprivacy@mastodon.socialP protonprivacy@mastodon.social

                                          Google has known about a bug that breaks VPN apps for 7 months, leaving users exposed with no warning or error, just a VPN app that stopped working in the background.

                                          If you're using ANY VPN on Android, you can help us by getting Google's attention to fix it.

                                          We first reported this bug to Google in September 2025.

                                          Others like @mullvadnet and Wireguard reported it even earlier, in August.

                                          Google's response? "I don't see anything unusual."

                                          Here's what's actually happening ⤵️

                                          wpeckham@social.linux.pizzaW This user is from outside of this forum
                                          wpeckham@social.linux.pizzaW This user is from outside of this forum
                                          wpeckham@social.linux.pizza
                                          wrote last edited by
                                          #31

                                          @protonprivacy @mullvadnet I had decided long ago not to use VPNs on Android because it didn't actually help. Connecting to the onion network and using Tor tools does kind of help but only solves half of the problem. far better to work from Linux instead of Android where you have the option but in my case that means not using the cell phone for that particular traffic or anything that requires real security.

                                          1 Reply Last reply
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