Traefik v3.7.0 Path Traversal via RewriteTarget Authentication Bypass
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| traefik | traefik | unaffected |
|
No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Traefik | Traefik |
|
| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-8rxv-jg7p-wvg3 | Traefik: Kubernetes Ingress NGINX RewriteTarget Path Traversal Allows Route-Level Authentication Bypass |
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.659% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
cvssV3_1
|
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Traefik versions >= v3.7.0 and <= v3.7.7 contain a path traversal vulnerability in the Kubernetes Ingress NGINX provider's RewriteTarget middleware (generated from the nginx.ingress.kubernetes.io/rewrite-target annotation). When an Ingress path uses a regex that captures attacker-controlled text without requiring a path separator (e.g., path /api(.*) with rewrite target /$1), a crafted request such as /api../admin matches the public router, is rewritten to a dot-segment traversal path (/../admin), and is forwarded without post-replacement normalization validation. A backend that normalizes dot segments resolves the path to a protected endpoint (e.g., /admin) reachable only through a separate router secured with BasicAuth, DigestAuth, or ForwardAuth, resulting in route-level authentication bypass. The issue is fixed in v3.7.8. | |
| Title | Traefik v3.7.0 Path Traversal via RewriteTarget Authentication Bypass | |
| First Time appeared |
Traefik
Traefik traefik |
|
| Weaknesses | CWE-22 | |
| CPEs | cpe:2.3:a:traefik:traefik:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Traefik
Traefik traefik |
|
| References |
|
|
| Metrics |
cvssV4_0
|