Bug 2558459 (CVE-2026-111813)

Summary: CVE-2026-111813 trafficserver: Apache Traffic Server: magick plugin passes client query strings unfiltered to ImageMagick convert in the default configuration
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Version: unspecifiedKeywords: Security
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OS: Linux   
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A flaw was found in Apache Traffic Server. When the experimental magick plugin is enabled without argument signing, an unauthenticated remote attacker can control command-line parameters passed to the underlying ImageMagick conversion utility. An attacker could exploit this argument injection flaw to achieve arbitrary code execution on the host system.
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Description OSIDB Bzimport 2026-10-21 18:34:27 UTC 
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.