Vulnerability DatabaseCVE-2026-78243
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CVE-2026-78243
Published:October 07, 2026
Updated:October 13, 2026
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 Packages
https://github.com/apache/yunikorn-core.git (GITHUB):
Affected version(s) >=v1.8.0 <v1.10.0
Fix Suggestion:
Update to version v1.10.0
github.com/apache/yunikorn-core (GO):
Affected version(s) >=v1.8.0 <v1.10.0
Fix Suggestion:
Update to version v1.10.0
Related Resources (3)
https://lists.apache.org/thread.html/yz51lpj6k8q2hz7x2gjdpcrk44hdn25v
http://www.openwall.com/lists/oss-security/2026/10/07/24
https://nvd.nist.gov/vuln/detail/CVE-2026-78243
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CVSS v4
Base Score:
2.1
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
LOW
CVSS v3
Base Score:
3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Uncaught Exception
CWE-248
EPSS
Base Score:
0.29