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CVE-2026-88012 Details

Description

Traefik is an open source HTTP reverse proxy and load balancer. From 2.8.2 until 2.11.56 and 3.7.12, HTTP/3 entrypoints do not apply entryPoints..transport.respondingTimeouts.readTimeout because the timeout is enforced on a TCP connection and the HTTP/3 server has no corresponding QUIC stream deadline. An unauthenticated client can use a slow request body, trickling data indefinitely while holding a request and an upstream connection open and exhausting backends with bounded connection pools. This issue is fixed in 2.11.56 and 3.7.12.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/traefik/traefik/commit/a8d0bc425859dde7481a6c9a324e610b81d754d0	[email protected]	Patch
https://github.com/traefik/traefik/pull/13717	[email protected]	Issue TrackingPatch
https://github.com/traefik/traefik/releases/tag/v2.11.56	[email protected]	PatchRelease Notes
https://github.com/traefik/traefik/releases/tag/v3.7.12	[email protected]	PatchRelease Notes
https://github.com/traefik/traefik/security/advisories/GHSA-7ghq-v6jf-g56c	[email protected]	PatchVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-770	Allocation of Resources Without Limits or Throttling	[email protected]

Affected Products

Product	Versions
traefik traefik	>= 2.8.2, < 2.11.56 >= 3.0.0, < 3.7.12
CPE cpe:2.3:a:traefik:traefik:::::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Sep 14, 2026	Initial Analysis	[email protected]
Sep 11, 2026	CVE Modified	CISA-ADP
Sep 10, 2026	New CVE Received	[email protected]