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Echo: github.com/traefik/traefik/v3: security update to 2.11.56

medium Tenable Self-Hosted Container Security Plugin ID 459252

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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. (CVE-2026-88012)

Solution

Update the github.com/traefik/traefik/v3 library and its related packages to version 2.11.56 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-88012

Plugin Details

Severity: Medium

ID: 459252

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/5/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2026-88012

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 9/29/2026

Vulnerability Publication Date: 9/10/2026

Reference Information

CVE: CVE-2026-88012