CVE-2026-78243

Apache YuniKorn: LDAP Group provider panics on lowercase attribute name

Published Oct 7, 2026 CVSS 4.0 · 2.1 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

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History
Type Values Removed Values Added
First Time appeared Apache
Apache yunikorn
Vendors & Products Apache
Apache yunikorn
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Apache YuniKorn: LDAP Group provider panics on lowercase attribute name
Weaknesses CWE-248
References
Metrics cvssV4_0

{'score': 2.1, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Oct 7, 2026, 5:50 PM
Reserved
Aug 24, 2026, 5:15 AM
Status
Deferred
Published
Oct 7, 2026, 10:17 AM
Modified
Oct 7, 2026, 6:17 PM