CVE-2026-27447

תיאור (מקור, אנגלית)

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.

מדדים

CVSS 3.1

6.3 (MEDIUM) מקור הציון: NVD CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N

EPSS — סבירות ניצול

0% (אחוזון 000) נכון ל-24/9/2026

CWE

CWE-863

מוצרים מושפעים

openprinting: cups

קישורים

• https://github.com/OpenPrinting/cups/security/advisories/GHSA-v987-m8hp-phj9 ExploitVendor Advisory
• https://github.com/OpenPrinting/cups/commit/88516bf6d9e34cef7a64a704b856b837f7‮… Patch