CVEvulnerability
CVE-2026-87876
3.0 LOW
Official page ↗
- Status
- Awaiting Analysis
- Published
- 2026-09-09
- Last modified
- 2026-10-21
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 3.0 LOW — CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-178
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.
Related
Weakness · CWE (1)
- CWE-178 Improper Handling of Case Sensitivity weakness
References
- https://access.redhat.com/errata/RHSA-2026:67568 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-87876 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2530991 bugzilla.redhat.com
- https://github.com/OpenPrinting/cups/commit/88e67c00c130a45f3a1edf36686f7a0b2982fef8 github.com
- https://github.com/OpenPrinting/cups/commit/f56844dbe4a54a9f8e1aeb3b913fbee614156bdb github.com
- https://github.com/OpenPrinting/cups/security/advisories/GHSA-r8jp-q6fh-g5r2 github.com
- https://github.com/OpenPrinting/cups/security/advisories/GHSA-r8jp-q6fh-g5r2 github.com