CVE-2026-82469
Publication date 31 August 2026
Last updated 31 August 2026
Ubuntu priority
Description
Rodauth before 2.47.0 contains an authentication bypass vulnerability in the jwt_refresh route that issues new JWT access tokens without requiring a refresh token. Attackers can present an access token to the refresh route via non-POST methods to obtain a new valid access token, enabling indefinite account access with temporary token possession.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| ruby-rodauth | 26.04 LTS resolute | Not in release |
| 24.04 LTS noble | Not in release | |
| 22.04 LTS jammy | Not in release |
Severity score breakdown
CVSS version:
Base score
5.1 · Medium
Vector: 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
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
References
Other references
- https://www.cve.org/CVERecord?id=CVE-2026-82469
- https://github.com/jeremyevans/rodauth/security/advisories/GHSA-w4fg-qf56-62m2
- https://github.com/jeremyevans/rodauth
- https://github.com/jeremyevans/rodauth/commit/8174690cef743177111fb1d9184d129ff4700933
- https://www.vulncheck.com/advisories/rodauth-before-2.47.0-authentication-bypass-via-jwt-refresh