CVE-2026-42568 PUBLISHED

Yamcs Vulnerable to LDAP Injection in LdapAuthModule

Assigner: GitHub_M
Reserved: 28.04.2026 Published: 10.06.2026 Updated: 10.06.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS Score: 4.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	yamcs
Product	yamcs
Versions	Version < 5.12.7 is affected

References

https://github.com/yamcs/yamcs/security/advisories/GHSA-cqh3-jg8p-336j
https://github.com/yamcs/yamcs/releases/tag/yamcs-5.12.7
https://github.com/yamcs/yamcs/releases/tag/yamcs-5.13.0

Problem Types

CWE-90: Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') CWE