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High severity8.7NVD Advisory· Published Aug 20, 2026· Updated Sep 28, 2026

CVE-2026-13097

CVE-2026-13097

Description

A privilege escalation flaw was found in FreeIPA. The uniqueness constraint enforced on Kerberos principal name attributes in the 389-ds directory server does not properly account for equivalent representations of the same principal name, allowing a user with sufficient LDAP write privileges to create a service principal that impersonates an existing privileged one. This can lead to unauthorized acquisition of Kerberos service tickets for sensitive services, potentially resulting in full domain compromise.

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Affected products

19

Patches

Vulnerability mechanics

References

4

News mentions

1