CVE-2026-78243: Apache YuniKorn: LDAP Group provider panics on lowercase attribute name

Low severity · published Oct 7, 2026

CVE-2026-78243

Apache YuniKorn: LDAP Group provider panics on lowercase attribute name

2.1

CVSS

0.2%

EPSS

On KEV

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.

Exploitation

Is it being used?

Exploit prediction (EPSS)0.2% · higher than 16% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Apache YuniKorn · Apache Software Foundation

1.8.0 before 1.10.0 · source: vendor

Affected product

Apache YuniKorn