Improper Handling of Case Sensitivity The advisory has been revoked - it doesn't affect any version of package cups-libs (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-CENTOS10-CUPSLIBS-15907485
- published5 Apr 2026
- disclosed3 Apr 2026
Introduced: 3 Apr 2026
CVE-2026-27447 (opens in a new tab)Amendment
The Centos security team deemed this advisory irrelevant for Centos:10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream cups-libs package and not the cups-libs package as distributed by Centos.
OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, CUPS daemon (cupsd) contains an authorization bypass vulnerability due to case-insensitive username comparison during authorization checks. The vulnerability allows an unprivileged user to gain unauthorized access to restricted operations by using a user with a username that differs only in case from an authorized user. At time of publication, there are no publicly available patches.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2454949
- https://access.redhat.com/security/cve/CVE-2026-27447
- https://access.redhat.com/errata/RHSA-2026:8814
- https://github.com/OpenPrinting/cups/commit/88516bf6d9e34cef7a64a704b856b837f70cd220
- https://github.com/OpenPrinting/cups/security/advisories/GHSA-v987-m8hp-phj9