CVE-2025-54386
BaseFortify
Publication date: 2025-08-02
Last updated on: 2025-11-26
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| traefik | traefik | to 2.11.7 (exc) |
| traefik | traefik | From 3.0.0 (inc) to 3.4.4 (exc) |
| traefik | traefik | 3.5.0 |
| traefik | traefik | 3.5.0 |
| traefik | traefik | 3.5.0 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-22 | The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. |
| CWE-30 | The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '\dir\..\filename' (leading backslash dot dot) sequences that can resolve to a location that is outside of that directory. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a path traversal issue in Traefik's WASM plugin installation mechanism. By providing a specially crafted ZIP archive with file paths containing '../' sequences, an attacker can overwrite files outside the intended plugin directory. This can allow the attacker to execute remote code, escalate privileges, maintain persistence, or cause denial of service.
How can this vulnerability impact me? :
The vulnerability can lead to remote code execution, privilege escalation, persistence on the system, or denial of service, potentially compromising the security and availability of the affected system.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, immediately upgrade Traefik to a fixed version: 2.11.28, 3.4.5, or 3.5.0 or later. Avoid using vulnerable versions 2.11.27 and below, 3.0.0 through 3.4.4, and 3.5.0-rc1. Additionally, restrict plugin installation permissions and monitor for suspicious plugin installation activity to reduce risk until upgraded.