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[GH-ISSUE #7046] [PM-38800] Deutsche Telekom: passkey does not work #127811

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opened 2026-06-13 21:14:53 -05:00 by GiteaMirror · 18 comments
GiteaMirror commented 2026-06-13 21:14:53 -05:00
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Originally created by @WebworkrNet on GitHub (Jun 9, 2026).
Original GitHub issue: https://github.com/bitwarden/android/issues/7046

Origin

Web (Browser)

Web URL or App name

accounts.login.idm.telekom.com

Passkey Action

  • Creating new passkey (Registration)
  • Signing in (Authentication)

Build Information

© Bitwarden Inc. 2015-2026

Version: 2026.4.2 (21562)
📱 samsung SM-A176B 🤖 16@36 📦 prod
🧱 commit: bitwarden/android/release/hotfix-v2026.4.1-bwpm@2e88a418a11a042fed230a0871cdcaa9bbff0c04
💻 build source: bitwarden/android/actions/runs/25866701011/attempts/1
🦀 SDK: 2.0.0-6825-release-hotfix-v2026.4.1-bwpm
🌩 Server: 2026.5.0 @ EU

Additional Information

Passkey: Deutsche Telekom presumably does not support third-party providers (like Bitwarden) and only allows a single key to be stored.

In the past, however, creating and logging in using Google's passkey worked without any problems.

Issue Tracking Info

  • I understand that work is tracked outside of Github. A PR will be linked to this issue should one be opened to address it, but Bitwarden doesn't use fields like "assigned", "milestone", or "project" to track progress.
Originally created by @WebworkrNet on GitHub (Jun 9, 2026). Original GitHub issue: https://github.com/bitwarden/android/issues/7046 ### Origin Web (Browser) ### Web URL or App name accounts.login.idm.telekom.com ### Passkey Action - [x] Creating new passkey (Registration) - [ ] Signing in (Authentication) ### Build Information © Bitwarden Inc. 2015-2026 Version: 2026.4.2 (21562) 📱 samsung SM-A176B 🤖 16@36 📦 prod 🧱 commit: bitwarden/android/release/hotfix-v2026.4.1-bwpm@2e88a418a11a042fed230a0871cdcaa9bbff0c04 💻 build source: bitwarden/android/actions/runs/25866701011/attempts/1 🦀 SDK: 2.0.0-6825-release-hotfix-v2026.4.1-bwpm 🌩 Server: 2026.5.0 @ EU ### Additional Information Passkey: `Deutsche Telekom` presumably does not support third-party providers (like Bitwarden) and only allows a single key to be stored. In the past, however, creating and logging in using Google's passkey worked without any problems. ### Issue Tracking Info - [x] I understand that work is tracked outside of Github. A PR will be linked to this issue should one be opened to address it, but Bitwarden doesn't use fields like "assigned", "milestone", or "project" to track progress.
GiteaMirror added the bug-passkeyapp:password-manager labels 2026-06-13 21:14:53 -05:00
GiteaMirror commented 2026-06-13 21:14:55 -05:00
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@bitwarden-bot commented on GitHub (Jun 9, 2026):

Thank you for your report! We've added this to our internal board for review.
ID: PM-38800

<!-- gh-comment-id:4663653069 --> @bitwarden-bot commented on GitHub (Jun 9, 2026): Thank you for your report! We've added this to our internal board for review. ID: [PM-38800](https://bitwarden.atlassian.net/browse/PM-38800) [PM-38800]: https://bitwarden.atlassian.net/browse/PM-38800?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ
GiteaMirror commented 2026-06-13 21:14:55 -05:00
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@WebworkrNet commented on GitHub (Jun 9, 2026):

The login domain can be accessed at https://www.telekom.de.

<!-- gh-comment-id:4663734724 --> @WebworkrNet commented on GitHub (Jun 9, 2026): The login domain can be accessed at https://www.telekom.de.
GiteaMirror commented 2026-06-13 21:14:55 -05:00
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@pamperer562580892423 commented on GitHub (Jun 9, 2026):

Which browser do you use?

<!-- gh-comment-id:4664216917 --> @pamperer562580892423 commented on GitHub (Jun 9, 2026): Which browser do you use?
GiteaMirror commented 2026-06-13 21:14:55 -05:00
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@WebworkrNet commented on GitHub (Jun 9, 2026):

Firefox (Nightly)

153.0a1 (Build #2016165927), f7f8e60b2f7ee2372b12925efb7d8cc05c2dbcdc
GV: 153.0a1-20260609090656
AS: 153.20260605050214
OS: Android 16

In the past, I had also tested other versions of Firefox as well as Chrome.

<!-- gh-comment-id:4664583287 --> @WebworkrNet commented on GitHub (Jun 9, 2026): Firefox (Nightly) ``` 153.0a1 (Build #2016165927), f7f8e60b2f7ee2372b12925efb7d8cc05c2dbcdc GV: 153.0a1-20260609090656 AS: 153.20260605050214 OS: Android 16 ``` In the past, I had also tested other versions of Firefox as well as Chrome.
GiteaMirror commented 2026-06-13 21:14:56 -05:00
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@pamperer562580892423 commented on GitHub (Jun 9, 2026):

In the past, I had also tested other versions of Firefox as well as Chrome.

Hm, could you try it with Chrome or another Chromium-based browser again? In my own experience, Firefox can have issues with passkeys (especially recently).

<!-- gh-comment-id:4664598455 --> @pamperer562580892423 commented on GitHub (Jun 9, 2026): > In the past, I had also tested other versions of Firefox as well as Chrome. Hm, could you try it with Chrome or another Chromium-based browser again? In my own experience, Firefox can have issues with passkeys (especially recently).
GiteaMirror commented 2026-06-13 21:14:56 -05:00
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@WebworkrNet commented on GitHub (Jun 9, 2026):

In the past, however, creating and logging in using Google's passkey worked without any problems.

Addendum / correction:
Google Passkeys are synchronized. While a passkey set up on one device is available locally on another device, it is not recognized by the Telekom website.

<!-- gh-comment-id:4664621883 --> @WebworkrNet commented on GitHub (Jun 9, 2026): > In the past, however, creating and logging in using Google's passkey worked without any problems. Addendum / correction: Google Passkeys are synchronized. While a passkey set up on one device is available locally on another device, it is not recognized by the Telekom website.
GiteaMirror commented 2026-06-13 21:14:56 -05:00
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@WebworkrNet commented on GitHub (Jun 9, 2026):

In the past, I had also tested other versions of Firefox as well as Chrome.

Hm, could you try it with Chrome or another Chromium-based browser again? In my own experience, Firefox can have issues with passkeys (especially recently).

I was able to set up a passkey in Bitwarden using the latest version of Chrome.
Once it was set up, I could log in using both Chrome and Firefox. :-)

Let’s hope it works across devices now. My second Android device is currently in for repairs, so I can’t test that right now.

I’ve also experienced that Firefox sometimes fails in certain cases, which is why I’ve opened a few issues with Mozilla.

Sorry that I didn’t test it again in Chrome before opening this ticket.

Chrome 149.0.7827.60

<!-- gh-comment-id:4664781979 --> @WebworkrNet commented on GitHub (Jun 9, 2026): > > In the past, I had also tested other versions of Firefox as well as Chrome. > > Hm, could you try it with Chrome or another Chromium-based browser again? In my own experience, Firefox can have issues with passkeys (especially recently). I was able to set up a passkey in Bitwarden using the latest version of Chrome. Once it was set up, I could log in using both Chrome and Firefox. :-) Let’s hope it works across devices now. My second Android device is currently in for repairs, so I can’t test that right now. I’ve also experienced that Firefox sometimes fails in certain cases, which is why I’ve opened a few issues with Mozilla. Sorry that I didn’t test it again in Chrome before opening this ticket. `Chrome 149.0.7827.60`
GiteaMirror commented 2026-06-13 21:14:57 -05:00
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@pamperer562580892423 commented on GitHub (Jun 9, 2026):

@WebworkrNet Thanks for testing it with Chrome.

Honestly, I'm just another user. I do hope this issue will remain open.

I really wonder if this a sole Firefox issue - or (also) an issue with the Bitwarden app. I hope this gets investigated.

<!-- gh-comment-id:4664818900 --> @pamperer562580892423 commented on GitHub (Jun 9, 2026): @WebworkrNet Thanks for testing it with Chrome. Honestly, I'm just another user. I do hope this issue will remain open. I really wonder if this a sole Firefox issue - or (also) an issue with the Bitwarden app. I hope this gets investigated.
GiteaMirror commented 2026-06-13 21:14:57 -05:00
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@WebworkrNet commented on GitHub (Jun 9, 2026):

See also:
https://bugzilla.mozilla.org/show_bug.cgi?id=2046244

<!-- gh-comment-id:4664974666 --> @WebworkrNet commented on GitHub (Jun 9, 2026): See also: https://bugzilla.mozilla.org/show_bug.cgi?id=2046244
GiteaMirror commented 2026-06-13 21:14:57 -05:00
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@WebworkrNet commented on GitHub (Jun 9, 2026):

@pamperer562580892423
Thanks for clarifying what your role is here and for your support. 🙂

<!-- gh-comment-id:4664998192 --> @WebworkrNet commented on GitHub (Jun 9, 2026): @pamperer562580892423 Thanks for clarifying what your role is here and for your support. 🙂
GiteaMirror commented 2026-06-13 21:14:58 -05:00
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@TroyBW commented on GitHub (Jun 9, 2026):

Hi there,

I'm happy to hear you were able resolve the issue. We use GitHub issues as a place to track bugs and other development related issues. If your issue occurs again, please write us back using our “Contact support” form located on our Help Center (https://bitwarden.com/help/).

Alternatively, you can also search for an answer in our help documentation or get help from other Bitwarden users on our community forums (https://community.bitwarden.com/c/support/).

The issue here will be closed.

Thanks!

<!-- gh-comment-id:4665025044 --> @TroyBW commented on GitHub (Jun 9, 2026): Hi there, I'm happy to hear you were able resolve the issue. We use GitHub issues as a place to track bugs and other development related issues. If your issue occurs again, please write us back using our “Contact support” form located on our Help Center (https://bitwarden.com/help/). Alternatively, you can also search for an answer in our help documentation or get help from other Bitwarden users on our community forums (https://community.bitwarden.com/c/support/). The issue here will be closed. Thanks!
GiteaMirror commented 2026-06-13 21:14:58 -05:00
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@pamperer562580892423 commented on GitHub (Jun 9, 2026):

@TroyBW This issue was only resolved, because @WebworkrNet used Chrome as a browser now.

So, it is not expected that Firefox works with passkeys as well?

As I just wrote before: I think it should be investigated why Firefox doesn't work with passkeys in many (?!) cases.

<!-- gh-comment-id:4665041983 --> @pamperer562580892423 commented on GitHub (Jun 9, 2026): @TroyBW This issue was only resolved, because @WebworkrNet used Chrome as a browser now. So, it is not expected that Firefox works with passkeys as well? As I just wrote before: I think it should be investigated why Firefox doesn't work with passkeys in many (?!) cases.
GiteaMirror commented 2026-06-13 21:14:58 -05:00
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@pamperer562580892423 commented on GitHub (Jun 9, 2026):

@pamperer562580892423
Thanks for clarifying what your role is here and for your support. 🙂

Thanks. But seems I just doomed this report. 🤪

<!-- gh-comment-id:4665067878 --> @pamperer562580892423 commented on GitHub (Jun 9, 2026): > [@pamperer562580892423](https://github.com/pamperer562580892423) > Thanks for clarifying what your role is here and for your support. 🙂 Thanks. But seems I just doomed this report. 🤪
GiteaMirror commented 2026-06-13 21:14:59 -05:00
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@TroyBW commented on GitHub (Jun 9, 2026):

Per your request, I have re-opened the issue.
@WebworkrNet @pamperer562580892423, are you able to provide exact steps for how to reproduce this passkey issue in Firefox? Ideally, are you able to reproduce the issue with a website where test accounts can be easily created?

<!-- gh-comment-id:4665104835 --> @TroyBW commented on GitHub (Jun 9, 2026): Per your request, I have re-opened the issue. @WebworkrNet @pamperer562580892423, are you able to provide exact steps for how to reproduce this passkey issue in Firefox? Ideally, are you able to reproduce the issue with a website where test accounts can be easily created?
GiteaMirror commented 2026-06-13 21:14:59 -05:00
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@pamperer562580892423 commented on GitHub (Jun 10, 2026):

@TroyBW That is a good question. Maybe I'll try a few accounts in the next days.

A similar issue was reported yesterday on Reddit with Facebook: https://www.reddit.com/r/Bitwarden/s/d36z6T6v2y (the browser extension and Android app were both mentioned there, though... but Firefox seems to have been the blocker again)

<!-- gh-comment-id:4665181548 --> @pamperer562580892423 commented on GitHub (Jun 10, 2026): @TroyBW That is a good question. Maybe I'll try a few accounts in the next days. A similar issue was reported yesterday on Reddit with Facebook: https://www.reddit.com/r/Bitwarden/s/d36z6T6v2y (the browser extension and Android app were both mentioned there, though... but Firefox seems to have been the blocker again)
GiteaMirror commented 2026-06-13 21:14:59 -05:00
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@pamperer562580892423 commented on GitHub (Jun 10, 2026):

@TroyBW @WebworkrNet So far I tested:

And I could create a passkey and store it in my BW vault in all cases, using Firefox mobile 151.0.3.

© Bitwarden Inc. 2015-2026

Version: 2026.4.2 (21562)
📱 Fairphone FP5 🤖 15@35 📦 prod
🧱 commit: bitwarden/android/release/hotfix-v2026.4.1-bwpm@2e88a418a11a042fed230a0871cdcaa9bbff0c04
💻 build source: bitwarden/android/actions/runs/25866701011/attempts/1
🦀 SDK: 2.0.0-6825-release-hotfix-v2026.4.1-bwpm
🌩 Server: 2026.6.0 @ EU (--> current data of the app, but I did these tests before the server update, so technically I was on server 2026.5.0 @ EU, still)

Some thoughts:

  1. @WebworkrNet you're on Android 16 (and I'm on Android 15) - I think I can remember an issue with Android 16 a few weeks or months ago, but I lost track of it (and maybe it is resolved?), but it might be that "Android 16" issue
  2. You used Firefox Nightly. Did you try it on the regular Firefox stable?
  3. The Flight Recorder might give additional info.
  4. Is anything else "not regular" with your phone - stock ROM, custom ROM, Google Play Services enabled or disabled...?
<!-- gh-comment-id:4669233112 --> @pamperer562580892423 commented on GitHub (Jun 10, 2026): @TroyBW @WebworkrNet So far I tested: - https://www.passkeys.io - https://webauthn.io (which doesn't load right now...) - https://community.bitwarden.com - and even https://www.facebook.com And I could create a passkey and store it in my BW vault in all cases, using Firefox mobile 151.0.3. © Bitwarden Inc. 2015-2026 Version: 2026.4.2 (21562) 📱 Fairphone FP5 🤖 15@35 📦 prod 🧱 commit: bitwarden/android/release/hotfix-v2026.4.1-bwpm@2e88a418a11a042fed230a0871cdcaa9bbff0c04 💻 build source: bitwarden/android/actions/runs/25866701011/attempts/1 🦀 SDK: 2.0.0-6825-release-hotfix-v2026.4.1-bwpm 🌩 Server: 2026.6.0 @ EU (--> current data of the app, but I did these tests before the server update, so technically I was on server 2026.5.0 @ EU, still) Some thoughts: 1. @WebworkrNet you're on Android 16 (and I'm on Android 15) - I think I can remember an issue with Android 16 a few weeks or months ago, but I lost track of it (and maybe it is resolved?), but it might be that "Android 16" issue 2. You used Firefox Nightly. Did you try it on the regular Firefox stable? 3. The [Flight Recorder](https://bitwarden.com/help/flight-recorder/) might give additional info. 4. Is anything else "not regular" with your phone - stock ROM, custom ROM, Google Play Services enabled or disabled...?
GiteaMirror commented 2026-06-13 21:15:00 -05:00
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@WebworkrNet commented on GitHub (Jun 13, 2026):

I suggest we wait and see what happens with Mozilla first, and then take it from there.

<!-- gh-comment-id:4696668448 --> @WebworkrNet commented on GitHub (Jun 13, 2026): I suggest we wait and see what happens with Mozilla first, and then take it from there.
GiteaMirror commented 2026-06-13 21:15:00 -05:00
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@pamperer562580892423 commented on GitHub (Jun 13, 2026):

@WebworkrNet You can certainly do what you want. - But I would recommend to try to reproduce some of what I wrote. Thought: if none of those four sites/services I mentioned work on your device with e.g. Chrome as well, waiting for Mozilla takes us nowhere. (and: no one knows how long it takes Mozilla to get to something... I've also seen issues there that were open for years)

PS: If none of those four work with Firefox on your device, but all would work with Chrome on your device, that may also be valuable to know more about the conditions when/why Firefox fails.

PPS: Would also be interesting to know if there is a difference between Firefox stable and Firefox Nightly on your device.

<!-- gh-comment-id:4696688311 --> @pamperer562580892423 commented on GitHub (Jun 13, 2026): @WebworkrNet You can certainly do what you want. - But I would recommend to try to reproduce some of what I wrote. Thought: if none of those four sites/services I mentioned work on your device with e.g. Chrome as well, waiting for Mozilla takes us nowhere. (and: no one knows how long it takes Mozilla to get to something... I've also seen issues there that were open for years) PS: If none of those four work with Firefox on your device, but all would work with Chrome on your device, that may also be valuable to know more about the conditions when/why Firefox fails. PPS: Would also be interesting to know if there is a difference between Firefox stable and Firefox Nightly on your device.
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Reference: github-starred/android#127811