Traefik vulnerable to denial of service with Content-length header

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

• CISA KEV Not listed.
• EPSS 0.010, 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, 14:54 UTC First seen by agentprime
2. 31 Oct 2026, 14:54 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-4vwx-54mw-vqfw
• OSV: GHSA-4vwx-54mw-vqfw
• github.com/traefik/traefik/security/advisories/GHSA-4vwx-54mw-vqfw
• nvd.nist.gov/vuln/detail/CVE-2024-28869
• github.com/traefik/traefik/commit/240b83b77351dfd8cadb91c305b84e9d22e0f9c6
• doc.traefik.io/traefik/routing/entrypoints/#respondingtimeouts
• github.com/traefik/traefik
• github.com/traefik/traefik/releases/tag/v2.11.2
• github.com/traefik/traefik/releases/tag/v3.0.0-rc5

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.