Advisory severityLow2.1Apache Software Foundation Updated

Low [CVE-2026-78243] 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 low-severity Apache Software Foundation advisory covers CVE-2026-78243; related products: Apache YuniKorn.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-78243 Source published Oct 7, 2026Source updated Oct 7, 2026

VulniPulse record published Oct 7, 2026Record updated Oct 7, 2026

CVE-2026-78243

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Summary

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 versions

Apache YuniKorn 1.8.0 before 1.10.0

Official advisory · high-confidence parse· fetched 17 hours ago·verify at source

Fixed versions

1.10.0

Official advisory · high-confidence parse· fetched 17 hours ago·verify at source

Mitigation checklist

Recommended fix / mitigation

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.

Official advisory · high-confidence parse· fetched 17 hours ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Official vendor advisoryofficial
Official advisory page fetched and parsed; accepted detail fields are attributed to this page.
Apache Software Foundation
CVE.org CNA recordCVE.org
Independent CNA record used for near-real-time discovery and missed-CVE reconciliation. Discovered from the machine-readable feed https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/delta.json; this link opens the CVE.org record for CVE-2026-78243 instead of the raw feed document.
CVE Program

Cross-references

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CVE-2026-78243NVD CVE.org MITRE

Official resources

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Official documentation
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Apache project downloads (fixed releases)
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