Yamcs: No Rate Limiting on Authentication Endpoint (yamcs yamcs)
At a glance
- Source
- NVD
- EPSS
- EPSS 2.06 % · percentile 81 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- GitHub_M
- NVD status
- Analyzed
Description
Yamcs is a mission control framework. Prior to 5.12.7, the authentication endpoint POST /auth/token in yamcs-core, handled by yamcs-core/src/main/java/org/yamcs/http/auth/AuthHandler.java, lacked any rate limiting, account lockout, or failed-attempt throttling, so an unauthenticated remote attacker could perform unlimited password-guessing attempts against any user account, significantly increasing the risk of successful brute-force attacks. This issue is fixed in versions 5.12.7 and 5.13.0.
Weaknesses (CWE)
- CWE-307 — Improper Restriction of Excessive Authentication Attempts
References
- https://github.com/yamcs/yamcs/security/advisories/GHSA-w5r6-mcgq-7pq4
- https://github.com/yamcs/yamcs/commit/309218c651680f79df11a8d0f8628f7033f98a83
- https://github.com/yamcs/yamcs/commit/64392df531fbcbc65f19ee5724c4c23d289f49fc
- https://github.com/yamcs/yamcs/releases/tag/yamcs-5.12.7
- https://github.com/yamcs/yamcs/releases/tag/yamcs-5.13.0
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N | GitHub_M |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N | NVD · security-advisories@github.com (Secondary) |
| CVSS 3.1 | CRITICAL 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
Advisories
- GHSA-w5r6-mcgq-7pq4 — Yamcs has No Rate Limiting on Authentication Endpoint
European references
- ENISA EUVD · EUVD-2026-44956
- GCVE · GCVE-0-2026-44596
Affected configurations (NVD CPE)
cpe:2.3:a:spaceapplications:yamcs:*:*:*:*:*:*:*:*< 5.12.7
Affected products
| Product | Versions |
|---|---|
| yamcs · yamcs | affected < 5.12.7 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |