CVE-2026-87876: Improper Handling of Case Sensitivity in Red Hat Red Hat Enterprise Linux 10
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.
CVE-2026-87876: Improper Handling of Case Sensitivity in Red Hat Red Hat Enterprise Linux 10
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.
CVSS v3.1
Score 3.0low
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- redhat
- Date Reserved
- 2026-09-09T13:58:06.399Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://access.redhat.com/security/cve/CVE-2026-87876","vendor":"Red Hat"}]
Threat ID: 6aa187eeacd9273b4992561d
Added to database: 09/09/2026, 16:23:10 UTC
Last updated: 09/09/2026, 16:23:10 UTC
Views: 1
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