PT-2026-120767 · Apache · Apache Traffic Server

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CVE-2026-111804

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Published

2026-10-21

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Updated

2026-10-21

CVSS v3.1

8.2

High

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Apache Traffic Server's experimental wasm plugin has a use-after-free in its transaction-close handler and forwards unvalidated guest-supplied metric IDs to the internal stats API.
This issue affects Apache Traffic Server: from 10.0.0 through 10.1.4, 10.2.0.
Users are recommended to upgrade to version 10.1.5 or 10.2.1, which fix the issue.

Fix

Use After Free

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Weakness Enumeration

Related Identifiers

CVE-2026-111804

Affected Products

Apache Traffic Server