Detections
Analytics

Echo: cups: security update to 2.4.18-1

medium Tenable Cloud Security Plugin ID 462572

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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.
 (CVE-2026-27447)

Solution

Update the cups library and its related packages to version 2.4.18-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-27447

Plugin Details

Severity: Medium

ID: 462572

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3.5

Percentile: 51.98

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:P/A:N

CVSS Score Source: CVE-2026-27447

CVSS v3

Risk Factor: Medium

Base Score: 6.3

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/4/2026

Vulnerability Publication Date: 4/3/2026

Reference Information

CVE: CVE-2026-27447