CVE Watch7 oct 2026

CVE-2026-105326

An argument injection flaw was found in CUPS. When email notification is configured, the CUPS scheduler accepts printer subscription request

CVSS

2.5

Bajo

EPSS

0.2%

p11

KEV

—

Exploit Today

0-100

Publicado: 5 oct 2026 · Última mod.: 7 oct 2026 · CWE-88

EPSS · 30d

0.2%EPSS · 30 días0.2%

2026-10-062026-10-21

Descripción técnica

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.

Referencias oficiales

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