CVE-2026-4480
9.0
CRITICAL
CVSS 3.1
EPSS 12.8%
Description
A flaw was found in the Samba printing subsystem. Samba passes the client-controlled job description string to the command configured with the "print command" setting via the "%J" substitution character without escaping shell meta characters. A remote attacker could exploit this vulnerability by sending a specially crafted print job description that contains unescaped shell characters. This could lead to remote code execution on the affected system.
How to fix CVE-2026-4480
To remediate CVE-2026-4480, upgrade the affected package to a fixed version below.
- —upgrade to 4.22.10-r0 or later
Is CVE-2026-4480 being exploited?
Moderate — EPSS is 12.8%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- >= 4.1.0, < 4.22.10-r0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.0 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H |