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CVE-2026-81486

5.3 · MEDIUM

A vulnerability was detected in bsmi021 mcp-file-context-server 1.0.0.

Published Aug 27, 2026CWE-22EPSS 0.69%

Overview

CVE-2026-81486 is a medium-severity vulnerability. It was published on August 27, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A vulnerability was detected in bsmi021 mcp-file-context-server 1.0.0. Affected by this issue is the function read_context of the file src/index.ts of the component Path Resolution. Performing a manipulation of the argument path results in path traversal. It is possible to initiate the attack remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/bsmi021/mcp-file-context-server/GitHubgithub.com/bsmi021/mcp-file-context-server/issues/15Refvuldb.com/cve/CVE-2026-81486Refvuldb.com/submit/887137Refvuldb.com/vuln/395980Refvuldb.com/vuln/395980/ctiRefvuldb.com/submit/887137

How CyberStrike helps

Frequently asked questions

What is CVE-2026-81486?

CVE-2026-81486 is a medium-severity vulnerability. It was published on August 27, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-81486?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-81486?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-81486?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-81486 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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