[v17] Add OTP fallback for SSHAgentMFAWebSessionLogin (#57133)#57159
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okraport merged 1 commit intobranch/v17from Jul 25, 2025
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[v17] Add OTP fallback for SSHAgentMFAWebSessionLogin (#57133)#57159okraport merged 1 commit intobranch/v17from
okraport merged 1 commit intobranch/v17from
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* Add OTP fallback for SSHAgentMFAWebSessionLogin In the case Teleport `second_factor` is set to `on`, it is possible for a user to only have OTP configured. Prior to this commit this would result in a auth fail as the created challenge only supported TOTP. Server side would recieve an incomplete `AuthenticateWebUserRequest` object, which fails validation via `CheckAndSetDefaults` and as such only a failed login audit event was emitted with no additional logs. This mode of failure can be reproduced with `tsh bench -d web sessions --auth=local`. changelog: Fixed fallback for web login when second factor is set to `on` but only OTP is configured. * improve errors for unsupported web login mfa challenge * Update lib/client/weblogin.go Co-authored-by: Edoardo Spadolini <edoardo.spadolini@goteleport.com> * Update lib/client/weblogin.go Co-authored-by: Edoardo Spadolini <edoardo.spadolini@goteleport.com> * unexport SSHAgentMFAWebSessionLogin and SSHAgentLoginWeb * update sshAgentLoginWebCreateSession signature --------- Co-authored-by: Edoardo Spadolini <edoardo.spadolini@goteleport.com>
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Backport #57133 to branch/v17
changelog: Fixed fallback for web login when second factor is set to
onbut only OTP is configured.