CVEvulnerability

CVE-2026-27447

6.3 MEDIUM Published 2026-04-03 Modified 2026-07-24 Official page ↗
Status
Analyzed
Published
2026-04-03
Last modified
2026-07-24
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.8 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:L/A:N
CVSS 3.1 ([email protected])
6.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
Weaknesses
CWE-863

Description

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.

Affected configurations

• openprinting cups (<= 2.4.16)

Related

Weakness · CWE (1)

  • CWE-863 Incorrect Authorization weakness

References