All vulnerabilities
CVE-2026-78243

Apache YuniKorn: LDAP Group provider panics on lowercase attribute name

Apache Software Foundation Apache YuniKorn
Open in ThreatlineRecord JSON
CVSS
2.1Low
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.29%Chance of exploitation activity in the next 30 days, higher than 20% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in1.10.0Fixed versionCVE List
Published7 Oct 2026Updated 7 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

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.

Text from CVE List

Affected versions 1

  • Apache YuniKornaffected: 1.8.0 before 1.10.0CVE List

References 1