# CVE-2026-87876

## Summary

- **CVE ID:** CVE-2026-87876
- **Severity:** LOW
- **CVSS Score:** 3 (CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N)
- **CWE:** CWE-178
- **Published:** Sep 9, 2026
- **Last Modified:** Sep 10, 2026

## 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.

## Affected Products

No affected products listed.

## References

- [CNA](https://access.redhat.com/security/cve/CVE-2026-87876)
- [CNA](https://bugzilla.redhat.com/show_bug.cgi?id=2530991)
- [CNA](https://github.com/OpenPrinting/cups/security/advisories/GHSA-r8jp-q6fh-g5r2)
- [CNA](https://github.com/OpenPrinting/cups/commit/88e67c00c130a45f3a1edf36686f7a0b2982fef8)
- [CNA](https://github.com/OpenPrinting/cups/commit/f56844dbe4a54a9f8e1aeb3b913fbee614156bdb)

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._