CVE-2026-82470

Summary

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.

Affected Software

Weaknesses

• CWE-294: Authentication Bypass by Capture-replay

References

• https://github.com/jeremyevans/rodauth/commit/3bfd0a11bae70935b1944e71dbe787dd0c3a62ad
• https://github.com/jeremyevans/rodauth/security/advisories/GHSA-hhvg-6qmv-58vc
• https://github.com/jeremyevans/rodauth
• https://www.vulncheck.com/advisories/rodauth-before-2.47.0-totp-code-reuse-via-drift-window

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