CVE-2026-25760
Authenticated Path Traversal in Sliver Website Allows Arbitrary File Read
Publication date: 2026-02-06
Last updated on: 2026-02-19
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| bishopfox | sliver | to 1.6.11 (exc) |
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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in Sliver, a command and control framework that uses a custom Wireguard netstack. Prior to version 1.6.11, there is a path traversal issue in the website content subsystem that allows an authenticated operator to read arbitrary files on the Sliver server host.
Because of this path traversal and arbitrary file read vulnerability, an attacker with authentication can access sensitive files such as credentials, configuration files, and keys stored on the server.
This issue is fixed in Sliver version 1.6.11.
How can this vulnerability impact me? :
The vulnerability can have significant impacts because it allows an authenticated operator to read arbitrary files on the server hosting Sliver.
- Exposure of sensitive credentials that could be used to escalate privileges or access other systems.
- Disclosure of configuration files that might reveal system or network details.
- Access to cryptographic keys that could compromise encrypted communications or data.
Overall, this could lead to unauthorized access, data breaches, and compromise of the security of the affected system.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, upgrade the Sliver server to version 1.6.11 or later, where the path traversal issue in the website content subsystem has been fixed.