Description (CNA)
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 (CNA)
| Vendor / product | Versions |
|---|---|
| Red Hat / Red Hat Hardened Images | unaffected 2.4.19-4.2.hum1 before * |
| Red Hat / Red Hat Enterprise Linux 10 | affected |
| Red Hat / Red Hat Enterprise Linux 6 | affected |
| Red Hat / Red Hat Enterprise Linux 7 | affected |
| Red Hat / Red Hat Enterprise Linux 8 | affected |
| Red Hat / Red Hat Enterprise Linux 9 | affected |
| Red Hat / Red Hat Enterprise Linux 9 | affected |
| Red Hat / Red Hat OpenShift Container Platform 4 | affected |
CWE
CWE-178
References
- https://access.redhat.com/errata/RHSA-2026:67568
- https://access.redhat.com/security/cve/CVE-2026-87876
- https://bugzilla.redhat.com/show_bug.cgi?id=2530991
- https://github.com/OpenPrinting/cups/commit/88e67c00c130a45f3a1edf36686f7a0b2982fef8
- https://github.com/OpenPrinting/cups/commit/f56844dbe4a54a9f8e1aeb3b913fbee614156bdb
- https://github.com/OpenPrinting/cups/security/advisories/GHSA-r8jp-q6fh-g5r2
ADP enrichment
No English description supplied.