CVE-2024-45410
HTTP client can manipulate custom HTTP headers that are added by Traefik
Record from NVD · Published September 19, 2024
github.com/traefik/traefik/v2 is fixed in 2.11.9 (Go Modules)
Traefik is a golang, Cloud Native Application Proxy. When a HTTP request is processed by Traefik, certain HTTP headers such as X-Forwarded-Host or X-Forwarded-Port are added by Traefik before the request is routed to the application. For a HTTP client, it should not be possible to remove or modify these headers. Since the application trusts the value of these headers, security implications might arise, if they can be modified. For HTTP/1.1, however, it was found that some of theses custom headers can indeed be removed and in certain cases manipulated. The attack relies on the HTTP/1.1 behavior, that headers can be defined as hop-by-hop via the HTTP Connection header. This issue has been addressed in release versions 2.11.9 and 3.1.3. Users are advised to upgrade. There are no known workarounds for this vulnerability.
EPSS 1.51% · 74.4th percentile
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| github.com/traefik/traefik/v2 | Go Modules | 2.11.9 |
| github.com/traefik/traefik | Go Modules | 2.11.9 |
| github.com/traefik/traefik/v3 | Go Modules | 3.1.3 |
| traefik | dhi.docker.com | 3.1.3, 2.11.9 |
| traefik | traefik | 3.1.3, 2.11.9 |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| traefik | traefik | 0, 3.0.0 |
Timeline
- Sep 19, 2024 CVE Published
- Sep 19, 2024 PoC Published (3 in total, the first dated here)
- Sep 20, 2024 EPSS Score (30 in total, the first dated here)
- Oct 4, 2024 Coalition ESS Score (16 in total, the first dated here)
- Jan 5, 2026 Security Advisory (3 in total, the first dated here)
- Jan 5, 2026 CVE Updated
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