CVE-2026-78243

LOW CVSS 4.0: 2.1 EPSS 0.29%
Updated Oct 07, 2026
Apache
Parameter Value
CVSS 2.1 (LOW)
Fixed In 1.10.0
Type CWE-248 (Uncaught Exception)
Vendor Apache
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Attack Requirements
Present
Additional conditions required
Privileges Required
Low
Basic privileges needed
User Interaction
Passive
Minimal interaction

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
Low
Partial disruption

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products

apache software foundation:apache yunikorn