The Apache Traffic Server webp_transform plugin can decode unsafely and serve mislabeled, cacheable responses.



This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.



Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 01 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Description The Apache Traffic Server webp_transform plugin can decode unsafely and serve mislabeled, cacheable responses. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue. The Apache Traffic Server webp_transform plugin can decode unsafely and serve mislabeled, cacheable responses. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.

Wed, 29 Jul 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 29 Jul 2026 11:30:00 +0000

Type Values Removed Values Added
First Time appeared Apache
Apache traffic Server
Vendors & Products Apache
Apache traffic Server

Wed, 29 Jul 2026 09:30:00 +0000

Type Values Removed Values Added
Description The Apache Traffic Server webp_transform plugin can decode unsafely and serve mislabeled, cacheable responses. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Title Apache Traffic Server: webp_transform plugin decodes unsafely and mislabels degraded responses
Weaknesses CWE-20
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-10-01T17:05:07.822Z

Reserved: 2026-06-29T16:35:07.500Z

Link: CVE-2026-58186

cve-icon Vulnrichment

Updated: 2026-07-29T12:11:53.508Z

cve-icon NVD

Status : Modified

Published: 2026-07-29T10:16:43.807

Modified: 2026-10-01T18:17:26.157

Link: CVE-2026-58186

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-04T12:45:05Z

Weaknesses