Vulnerability in Jeremyevans Rodauth
CVE-2026-82470
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (33.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
Weakness classification (CWE)
References
- github.com/jeremyevans/rodauth/commit/3bfd0a11bae70935b1944e71dbe787dd0c3a62ad (patch)
- github.com/jeremyevans/rodauth/security/advisories/GHSA-hhvg-6qmv-58vc (vendor-advisory)
- github.com/jeremyevans/rodauth (product)
- www.vulncheck.com/advisories/rodauth-before-2.47.0-totp-code-reuse-via-drift-wi… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-82470?
- CVE-2026-82470 is a medium-severity vulnerability in Jeremyevans Rodauth, classified under Authentication Bypass by Capture-replay. CVSS score: 5.4/10. Published 2026-08-29.
- How severe is CVE-2026-82470?
- Medium severity. CVSS v3 base score is 5.4 out of 10.