CVE-2026-27447
6.3
MEDIUM
CVSS 3.1
EPSS 0.32%
描述
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.
如何修補 CVE-2026-27447
要修補 CVE-2026-27447,請將受影響套件升級到下列已修補版本。
- —升級至 2.4.18-r0 或更新版本
- —未列出修補版本
CVE-2026-27447 正在被利用嗎?
低 — EPSS 為 0.3%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 2.4.18-r0
- from 0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N |