Home/CVE/Traefik is an HTTP reverse proxy and load balancer. In affected versions sending a GET request to any Traefik endpoint w
CVE

CVE-2024-28869

Traefik is an HTTP reverse proxy and load balancer. In affected versions sending a GET request to any Traefik endpoint w

Traefik is an HTTP reverse proxy and load balancer. In affected versions sending a GET request to any Traefik endpoint with the "Content-length" request header results in an indefinite hang with the default configuration. This vulnerability can be exploited by attackers to induce a denial of service.

This vulnerability has been addressed in version 2.11.2 and 3.0.0-rc5. Users are advised to upgrade. For affected versions, this vulnerability can be mitigated by configuring the readTimeout option.

HIGH · CVSS 7.5 EPSS 0.01018
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-755Improper Handling of Exceptional Conditions
▤

Affected Products & Versions

2
traefik< 2.11.2
traefikall versions
▤

Affected Packages

3
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go github.com/traefik/traefik HIGH fixed in 2.11.2
Go github.com/traefik/traefik/v2 HIGH fixed in 2.11.2
Go github.com/traefik/traefik/v3 HIGH fixed in 3.0.0-rc5
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Apr 2024 · 10:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

3
rhsaRHSA-2025:15847Important
suse-csafopenSUSE-SU-2024:14076-1
suse-csafopenSUSE-SU-2024:13927-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://doc.traefik.io/traefik/routing/entrypoints/#respondingtimeoutsProduct
https://github.com/traefik/traefik/commit/240b83b77351dfd8cadb91c305b84e9d22e0f9c6Patch
https://github.com/traefik/traefik/releases/tag/v2.11.2Release Notes
https://github.com/traefik/traefik/releases/tag/v3.0.0-rc5Release Notes
https://github.com/traefik/traefik/security/advisories/GHSA-4vwx-54mw-vqfwPatchVendor Advisory
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