CVE-2026-82470

EUVD-2026-68127
Rodauth before 2.47.0 contains a time-based one-time password reuse vulnerability in the otp feature that fails to track the last accepted code timestamp. Attackers who observe a valid TOTP code can replay it during the drift window to bypass the second authentication factor.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.4 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Debian logo
Debian Releases
Debian Product
Codename
ruby-rodauth
forky
vulnerable
sid
vulnerable
Common Weakness Enumeration
References
https://github.com/jeremyevans/rodauth
https://github.com/jeremyevans/rodauth/commit/3bfd0a11bae70935b1944e71dbe787dd0c3a62ad
https://github.com/jeremyevans/rodauth/security/advisories/GHSA-hhvg-6qmv-58vc
https://www.vulncheck.com/advisories/rodauth-before-2.47.0-totp-code-reuse-via-drift-window