CVE-2026-82470
Rodauth before 2.47.0 TOTP Code Reuse via Drift Window
- State
- Published
- Severity
- 5.1 Medium
- Published
- Aug 29, 2026
- Updated
- Aug 31, 2026
- Reserved
- Aug 29, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.1 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 5.4 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N | VulnCheck |
Weaknesses
- CWE-294 Authentication Bypass by Capture-replay
Affected Products
| Product | Versions |
|---|---|
rodauthjeremyevans |
|
References
- Patch Commitpatch
- GitHub Security Advisory (GHSA-hhvg-6qmv-58vc)vendor-advisory
- https://github.com/jeremyevans/rodauthproduct
- VulnCheck Advisory: Rodauth before 2.47.0 TOTP Code Reuse via Drift Windowthird-party-advisory
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