CVE-2026-78243: Apache Software Foundation Apache Yunikorn

Low severity, CVSS 2.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Apache YuniKorn 1.8.0 and later, if configured with the LDAP group resolver, crashes due to an out of bounds read processing group membership entries.If the LDAP server returns a group membership entry, memberOf attribute, for a user specified in the pod the server crashes if a membership record does not start with "CN=". This only affects install that have the non default LDAP group provider configured.  Users are recommended to upgrade to version 1.10.0, which fixes this issue.

Affected products

Published 2026-10-07. Last modified 2026-10-07.