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Vulnerability record · CVE-2026-78243 · published 7 October 2026

CVE-2026-78243: Apache YuniKorn 1.8.0 and later, if configured with the LDAP group resolver, crashes due to an out of bounds r…

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.

2.1 CVSS 4.0 Low EPSS 0.25% · top 84.9% CWE-248 · CWE-248 Deferred
2.1CVSS 4.0 base score
0.25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
7 Oct 2026Last modified by NVD

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:N/R:

References

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Source: NIST National Vulnerability Database (record CVE-2026-78243), CISA KEV, FIRST EPSS (scores of 2026-10-07). This page is refreshed as NVD updates the record.