PT-2026-89100 · Red Hat+1 · Red Hat Enterprise Linux 10+7

CVE-2026-87876

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Published

2026-09-09

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Updated

2026-09-09

CVSS v3.1

3.0

Low

VectorAV:A/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Two case-insensitive comparisons on request-derived usernames outside the main authorization path in CUPS's scheduler (printer ACL validation and private-attribute filtering) could allow bypass of username-based access controls in certain configurations.

Exploit

Fix

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Weakness Enumeration

Related Identifiers

CVE-2026-87876
GHSA-R8JP-Q6FH-G5R2

Affected Products

Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Red Hat Hardened Images
Red Hat Openshift Container Platform 4
Cups