Pain point · Reliability & bugs · Blocks work
WebAuthn login loops on security key after upgrade to 2026.5.4
3 source threads · first seen 2023-06 · last seen 2026-07
Summary
After updating, logging in with a YubiKey repeatedly reopens the Windows Hello prompt. Rolling back to the previous version fixes it, and a second site on the same version still works.
- Affects
- User signing in with a hardware security key
- Workaround
- Roll back to 2026.5.3
Evidence
Excerpts are copied word for word from the source; follow the link to read it in full.
“If I do a rollback to 2026.5.3 it let me login without the reappearing window”
“On mobile sometime 2FA page available but after entered code ,reload to 1st stage”
“With TOTP MFA the accepted OTP is always the second one”