CVE-2026-111813

Apache Traffic Server: magick plugin passes client query strings unfiltered to ImageMagick convert in the default configuration

State: Published
Severity: 10.0 Critical
Published: Oct 21, 2026
Updated: Oct 23, 2026
Reserved: Oct 16, 2026

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Description

Apache Traffic Server's experimental magick plugin lets an unauthenticated client control ImageMagick convert arguments in its default (unsigned) configuration.

This issue affects Apache Traffic Server: from 8.0.1 through 8.1.11, from 9.0.0 through 9.2.15, from 10.0.0 through 10.1.4, 10.2.0.

Users are recommended to upgrade to version 9.2.16, 10.1.5, or 10.2.1, which fix the issue.

Scores

CVSS	Score	Vector	Source
4.0	10.0 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H	apache
3.1	10.0 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H	apache

Weaknesses

CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')

Affected Products

Product	Versions
Apache Traffic ServerApache Software Foundation	8.0.1 through 8.1.11Affected 9.0.0 through 9.2.15Affected 10.0.0 through 10.1.4Affected 10.2.0Affected

References

https://lists.apache.org/thread/r95dq29ywcd1f4x30snxlqmb12z4s4kcvendor-advisory

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