Vulnerability · Published Oct 7, 2026 · Assigned by apache
CVE-2026-78243Apache YuniKorn: LDAP Group provider panics on lowercase attribute name
Low 2.1
In plain English
A low-severity security flaw in Apache YuniKorn from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache YuniKorn | 1.8.0 – before 1.10.0 |
Weakness: CWE-248 · Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/S:N/AU:N/R:A/V:D/RE:H/U:Green