Low severity3.0NVD Advisory· Published Sep 9, 2026· Updated Oct 21, 2026
CVE-2026-87876
CVE-2026-87876
Description
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2Patches
Vulnerability mechanics
References
6- access.redhat.com/errata/RHSA-2026:67568nvd
- access.redhat.com/security/cve/CVE-2026-87876nvd
- bugzilla.redhat.com/show_bug.cginvd
- github.com/OpenPrinting/cups/commit/88e67c00c130a45f3a1edf36686f7a0b2982fef8nvd
- github.com/OpenPrinting/cups/commit/f56844dbe4a54a9f8e1aeb3b913fbee614156bdbnvd
- github.com/OpenPrinting/cups/security/advisories/GHSA-r8jp-q6fh-g5r2nvd
News mentions
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