CVE-2026-27447 (GCVE-0-2026-27447)
Vulnerability from cvelistv5
Published
2026-04-03 21:11
Modified
2026-04-06 18:50
Severity ?
4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:L/A:N
CWE
  • CWE-863 - Incorrect Authorization
Summary
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
Impacted products
Vendor Product Version
OpenPrinting cups Version: <= 2.4.16
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