CVE-2026-78243: Apache YuniKorn: LDAP Group provider panics on lowercase attribute name
Published Oct 7, 2026
·Updated
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 Software
1 affected component
Apache YuniKorn>=1.8.0<1.10.0
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Apache YuniKornto a version that resolves this vulnerability.Fixed in 1.10.0
Event History
Oct 7, 2026
CVE Published
via MITRE·09:15 AM
Data Sourced
via MITRE·09:15 AM
DescriptionWeakness
Data Sourced
via NVD·10:17 AM
DescriptionSeverityWeakness