CVE-2026-78243

Low

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.

SeverityLow

CVSS2.1

Exploit probability—

ProductApache YuniKorn

PublishedOct 7, 2026

First seenOct 7, 2026

Weakness typeCWE-248CWE-248

How to fix

Update

Apache Software Foundation Apache YuniKorn1.10.0 or later

Vendor advisories

lists.apache.org/thread.html/yz51lpj6k8q2hz7x2gjdpcrk44hdn25v

Affected products

Product	Affected versions	Fixed in
Apache Software Foundation Apache YuniKorn	1.8.0 ≤ v < 1.10.0	1.10.0

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