Argument injection in Apache Traffic Server - CVE-2026-111813
Published: October 23, 2026
Vulnerability identifier: #VU157321
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-111813
CWE-ID: CWE-88
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to control image-conversion arguments and potentially execute arbitrary code.
The vulnerability exists due to improper neutralization of command-line arguments in the Apache Traffic Server experimental magick plugin when processing client query strings in its default unsigned configuration. A remote attacker can supply crafted query parameters that are passed unfiltered to ImageMagick convert to alter conversion behavior and potentially execute arbitrary code.
Affected software
Apache Traffic Server
How to mitigate CVE-2026-111813
Install security update from vendor's website.
Apache Traffic Server - addressed in versions 9.2.16, 10.1.5, 10.2.1