CVE-2026-111813 PUBLISHED

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

Assigner: apache
Reserved: 16.10.2026 Published: 21.10.2026 Updated: 22.10.2026

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.

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS Score: 10

Attack Vector	Network	Scope	Changed
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

CVSS Vector: 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
CVSS Score: 10

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Apache Software Foundation
Product	Apache Traffic Server
Versions	Default: unaffected affected from 8.0.1 to 8.1.11 (incl.) affected from 9.0.0 to 9.2.15 (incl.) affected from 10.0.0 to 10.1.4 (incl.) Version 10.2.0 is affected

Credits

Apache Community reporter
The ASF reporter
Abraxas Labs reporter

References

https://lists.apache.org/thread/r95dq29ywcd1f4x30snxlqmb12z4s4kc

Problem Types

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