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CVE-2025-67487
December 09, 2025
Static Web Server (SWS) is a production-ready web server suitable for static web files or assets. Versions 2.40.0 and below contain symbolic links (symlinks) which can be used to access files or directories outside the intended web root folder. SWS generally does not prevent symlinks from escaping the web server’s root directory. Therefore, if a malicious actor gains access to the web server’s root directory, they could create symlinks to access other files outside the designated web root folder either by URL or via the directory listing. This issue is fixed in version 2.40.1.
Affected Packages
https://github.com/static-web-server/static-web-server.git (GITHUB):
Affected version(s) >=v1.0.0 <v2.40.1
Fix Suggestion:
Update to version v2.40.1
static-web-server (RUST):
Affected version(s) >=2.15.1-beta.0 <2.40.1
Fix Suggestion:
Update to version 2.40.1
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CVSS v4
Base Score:
5.5
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Improper Link Resolution Before File Access ('Link Following')
UNIX Symbolic Link (Symlink) Following
EPSS
Base Score:
0.07