PT-2026-65763 · Apache · Apache Traffic Server

Omkhar Arasaratnam

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CVE-2026-58186

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Published

2026-07-29

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Updated

2026-08-07

CVSS v4.0

8.2

High

VectorAV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions Apache Traffic Server versions 8.0.0 through 8.1.9 Apache Traffic Server versions 9.0.0 through 9.2.14 Apache Traffic Server versions 10.0.0 through 10.1.3
Description The webp transform plugin can decode data unsafely, leading to the delivery of mislabeled responses that are stored in the cache.
Recommendations Upgrade versions 8.0.0 through 9.2.14 to version 9.2.15. Upgrade versions 10.0.0 through 10.1.3 to version 10.1.4.

Exploit

Fix

DoS

RCE

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Weakness Enumeration

CWE-20

Related Identifiers

CVE-2026-58186
OESA-2026-3309
OESA-2026-3310
OESA-2026-3311

Affected Products

Apache Traffic Server