Yamcs Vulnerable to LDAP Injection in LdapAuthModule
Priority LOW 22CWE-90Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub.
Summary
Yamcs is a mission control framework. Prior to versions 5.13.0 and 5.12.7, an LDAP injection vulnerability exists in `org.yamcs.security.LdapAuthModule` when constructing search filters. The username parameter is inserted directly into the LDAP filter without proper RFC 4515 escaping. Versions 5.13.0 and 5.12.7 patch the issue.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01027 63rd percentileScored 2026-11-07
Fix Fixed yamcs (yamcs): 5.12.7org.yamcs:yamcs-core (Maven): 5.12.7
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| yamcs | yamcs | before 5.12.7 | 5.12.7 | Patch available | CNA |
| — | org.yamcs:yamcs-core (Maven) | before 5.12.7 | 5.12.7 | Patch available | GHSA-cqh3-jg8p-336j |
- yamcs Vendoryamcs Affected before 5.12.7 Fixed in 5.12.7 Patch available CNA
- org.yamcs:yamcs-core (Maven) Vendor— Affected before 5.12.7 Fixed in 5.12.7 Patch available GHSA-cqh3-jg8p-336j
Remediation
- Fix · CNA yamcs (yamcs) Fixed in 5.12.7
- Fix · GHSA-cqh3-jg8p-336j org.yamcs:yamcs-core (Maven) Fixed in 5.12.7 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-42568
- 2026-10-03 Alias added: GHSA-cqh3-jg8p-336j
References
More yamcs vulnerabilities
- TI-2026-40103 Yamcs: Remote Code Execution via instance-template argument YAML injection (createInstance) CVSS 3.1CRITICAL 9.8
- TI-2026-34240 Yamcs: Remote Code Execution via Mission Database algorithm override CVSS 3.1CRITICAL 9.8
- TI-2026-32507 Yamcs: No Rate Limiting on Authentication Endpoint CVSS 3.1CRITICAL 9.8
- TI-2026-40106 Yamcs: Authenticated remote code execution via unescaped StreamSQL `LIKE` pattern compiled by Janino (`LikeExpression`) CVSS 3.1CRITICAL 9.9
- TI-2026-40057 Yamcs: Authenticated RCE via StreamSQL aggregate-compiler column-name injection in Yamcs `executeSql` CVSS 3.1CRITICAL 9.1
- TI-2026-34277 Yamcs: Authenticated Remote Code Execution (RCE) via Jython Algorithm Code Injection CVSS 3.1CRITICAL 9.1
Sources
- CVE-2026-42568 · CVE Program
- CVE-2026-42568 · NVD
- FIRST EPSS
- GHSA-cqh3-jg8p-336j · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences