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.

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.

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.

Affected products

Jeremyevans Rodauth

Weakness classification (CWE)

CWE-294 — Authentication Bypass by Capture-replay

References

disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (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.