Yamcs Vulnerable to LDAP Injection in LdapAuthModule
CVE-2026-42568

4.3MEDIUM

Key Information:

Vendor

Yamcs

Status
Yamcs
Vendor
CVE Published:
10 June 2026

What is CVE-2026-42568?

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 Version(s)

yamcs < 5.12.7

References

https://github.com/yamcs/yamcs/security/advisories/GHSA-c...
x_refsource_CONFIRM
https://github.com/yamcs/yamcs/releases/tag/yamcs-5.12.7
x_refsource_MISC
https://github.com/yamcs/yamcs/releases/tag/yamcs-5.13.0
x_refsource_MISC

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.