Arbitrary Argument Injection Affecting cups-printerapp package, versions *


Severity

Recommended
0.0
low
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.22% (12th percentile)

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  • Snyk IDSNYK-RHEL10-CUPSPRINTERAPP-20530153
  • published6 Oct 2026
  • disclosed5 Oct 2026

Introduced: 5 Oct 2026

NewCVE-2026-105326  (opens in a new tab)
CWE-88  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:10 cups-printerapp.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cups-printerapp package and not the cups-printerapp package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

An argument injection flaw was found in CUPS. When email notification is configured, the CUPS scheduler accepts printer subscription requests that supply a mailto notify-recipient-uri. The mailto notifier passes the recipient address to the configured sendmail program without ensuring it cannot be interpreted as command-line options. A remote attacker who can reach the CUPS service could supply a crafted recipient value starting with "-" to influence sendmail behavior. Successful exploitation depends on the installed mail transfer agent and CUPS network exposure, and may lead to execution of attacker-controlled commands with the privileges of the CUPS service user.

CVSS Base Scores

version 3.1