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CVE-2026-88012

5.3 · MEDIUM

Traefik is an open source HTTP reverse proxy and load balancer.

Published Sep 10, 2026traefikCWE-770EPSS 0.52%

Overview

CVE-2026-88012 is a medium-severity vulnerability affecting traefik traefik. It was published on September 10, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from traefik. Update traefik to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
traefiktraefik>= 2.8.2, < 2.11.56Affected

References

GitHubgithub.com/traefik/traefik/commit/a8d0bc425859dde7481a6c9a324e610b81d754d0GitHubgithub.com/traefik/traefik/pull/13717GitHubgithub.com/traefik/traefik/releases/tag/v2.11.56GitHubgithub.com/traefik/traefik/releases/tag/v3.7.12GitHubgithub.com/traefik/traefik/security/advisories/GHSA-7ghq-v6jf-g56c

How CyberStrike helps

Frequently asked questions

What is CVE-2026-88012?

CVE-2026-88012 is a medium-severity vulnerability affecting traefik traefik. It was published on September 10, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-88012?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-88012?

Check the references section for vendor advisories and patches from traefik. Update traefik to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-88012?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-88012 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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