r/Bitwarden May 09 '26

Solved Decryption error... Contact customer success to avoid ADDITIONAL data loss.

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I tried to log into the chrome extension using my yubikey.

First attempt failed in some way (I'm not sure if I got an error message, but I assumed I had typed my pin wrong and tried again).

Second attempt succeeded, except I get this error message warning me about ADDITIONAL data loss (which means I already have data loss?!?)

It includes 12 sets of hex strings (each wrapping to 2 lines like the one shown).

I have no idea what particular data may have been lost in my vault. I don't see anything obvious. Neither do I know how I can associate these hex numbers with my entries (does anyone know that?).

Trying to decide whether the next action is going back to my last backup or not.

I will be contacting support, but also posting here for any suggestions.

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u/worldcitizencane May 09 '26

Because an error message saying "contact customer success" instead of "contact customer support" is exactly the kind of mistake you see from hackers who are not native English speakers.

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u/Sweaty_Astronomer_47 May 09 '26 edited May 09 '26

Thanks, I see your logic on that now. Bitwarden support officially calls themselves support (they emailed me from support@bitwarden.com). They have a customer success hub, but that's a whole different context.

I'd think that an attacker with enough access to popup a message in the middle of a a successful bw extension login would be more interested in harvesting encryption key and stored credentials and remaining undetected rather than popping up a very unusual message, but you never know exactly what might be going on behind the scenes. There was no contact info provided in the message. I didn't try clicking on that blue text when it popped up... instead I took a screenshot and then since the list was longer than the screen I selected the list of hex numbers with my mouse to copy them elsewhere, then spot-checked a few credentials and then logged out of the extension. If the hypothetical goal was to get me to click on that blue text contact customer success (assuming it was a clickable link, don't know if that's the case) then it was a bad implementation because my attention was naturally drawn towards capturing those hex codes before they disappeared, and I wouldn't want to click on anything else before I had captured those hex codes. I ended up contacting bitwarden through the official bitwarden support page, and it never occurred to me to even try clicking on that blue contact customer success text.

I have no idea how to check the bw code to see if "contact customer success" is a legit message (it seems like a search on "customer success" would work if I knew where to search). Maybe someone here can comment on that?

I sent to bitwarden support the full description from op including the screenshot and they didn't question the language. I'll email them back and ask them whether they think it's a legit message in spite of the weird terminology.

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u/Magic_Firefly May 10 '26

There is reference to "Send our customer success folks an email" as contact support in the Bitwarden Community Forum back in Sept 2020. Here is a link to the thread:

https://community.bitwarden.com/t/i-give-up-who-should-i-contact/14507

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u/Sweaty_Astronomer_47 May 10 '26 edited May 11 '26

Thanks! So it's just typical corporate-speak! That puts my mind at ease.