A vulnerability was detected in bsmi021 mcp-file-context-server 1.0.0. (CVE-2026-81486)
Description
A path traversal vulnerability exists in the read_context function of the Path Resolution component in bsmi021 mcp-file-context-server 1.0.0. This vulnerability allows remote attackers to manipulate the path argument to access unauthorized files. The vulnerability has a CVSS score of 5.3 (medium severity). The issue was reported to the project early, but no response or patch has been provided yet. Exploit code is publicly available, though no known exploitation in the wild has been reported.
CVSS v3.1
Score 5.3medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The bsmi021 mcp-file-context-server version 1.0.0 contains a path traversal vulnerability (CWE-22) in the read_context function located in src/index.ts within the Path Resolution component. An attacker can remotely manipulate the path argument to perform unauthorized file access. The vulnerability has a CVSS 3.1 base score of 5.3, indicating moderate impact on confidentiality with no impact on integrity or availability. The vulnerability was responsibly disclosed but remains unpatched, and public exploit code exists.
Potential Impact
Successful exploitation allows remote attackers to read files outside the intended directory by manipulating the path argument, potentially exposing sensitive information. There is no impact on integrity or availability according to the CVSS vector. No known active exploitation in the wild has been reported.
Mitigation Recommendations
No official patch or remediation is currently available as the project has not responded to the issue report. Users should monitor the project for updates and consider implementing access controls or input validation to mitigate path traversal risks until an official fix is released.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-r93x-r7qx-vp33
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-81486"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a905405acd9273b49697320
Added to database: 08/27/2026, 15:13:09 UTC
Last enriched: 09/10/2026, 06:24:55 UTC
Last updated: 10/11/2026, 18:48:22 UTC
Views: 43
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