CVE-2026-4480
A flaw was found in the Samba printing subsystem. Samba passes the client-controlled job description string to the command configured with t
CVSS
9.0
Critical
EPSS
12.8%
p96
KEV
—
Exploit Today
29
0-100
Published: May 26, 2026 · Last modified: Jul 15, 2026 · CWE-78
12.8%EPSS · 30 days12.8%
2026-06-302026-07-16
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.
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:22644
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:22963
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:25049
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:25979
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:28053
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:28054
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:28055
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:28056
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:28057
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:28058
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:28132
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-4480
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2452232
- bugzilla.samba.orghttps://bugzilla.samba.org/show_bug.cgi?id=16033
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:22644
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:22963
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:25049
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:25979
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:28053
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:28054
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