# CVE-2026-42568

## Summary

- **CVE ID:** CVE-2026-42568
- **Severity:** MEDIUM
- **CVSS Score:** 4.3 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N)
- **CWE:** CWE-90
- **Published:** Jun 10, 2026
- **Last Modified:** Jun 11, 2026

## Description

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.

## Affected Products

- yamcs — yamcs (< 5.12.7)

## References

- [CNA](https://github.com/yamcs/yamcs/security/advisories/GHSA-cqh3-jg8p-336j)
- [CNA](https://github.com/yamcs/yamcs/releases/tag/yamcs-5.12.7)
- [CNA](https://github.com/yamcs/yamcs/releases/tag/yamcs-5.13.0)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 1.03%
- **EPSS Percentile:** 61.6

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._