Connect your agent
AdvisoriesCriticalCheck your lockfilePluginHow it worksPricing Connect your agent

Advisory record · GHSA-3ccp-42pg-hgv6

Traefik: Cross-user response poisoning via proxied CONNECT on Traefik's shared backend keep-alive pool

CVSS 7.0 HighEPSS 0.011 · 64th percentile

Published by the GitHub Advisory Database at 6 Aug 2026, 15:56 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
github.com/traefik/traefik/v2Go<2.11.532.11.53
github.com/traefik/traefik/v3Go<3.6.24 || >=3.7.0, <3.7.93.6.24, 3.7.9
github.com/traefik/traefikGo<=1.7.34No fixed version yet
Identifiers
GHSA-3ccp-42pg-hgv6 · CVE-2026-71324 · GO-2026-6201
Weakness (CWE)
CWE-444
Tags
Published
6 Aug 2026
Updated
18 Aug 2026

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.0 High 4.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.011, the 64th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:50 UTC First seen by agentprime
  2. 31 Oct 2026, 14:50 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.