CVE-2026-81486CWE-22path-traversal

CVE-2026-81486

Medium · published August 27, 2026

CVSS v3.1
5.3
EPSS
1%
Percentile
52.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
EPSS
0.00690 · 52.3th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-08-27T06:16Z
References (7)
https://vuldb.com/vuln/395980/cti · [email protected]https://vuldb.com/vuln/395980 · [email protected]https://github.com/bsmi021/mcp-file-context-server/ · [email protected]https://github.com/bsmi021/mcp-file-context-server/issues/15 · [email protected]https://vuldb.com/cve/CVE-2026-81486 · [email protected]https://vuldb.com/submit/887137 · [email protected]https://vuldb.com/submit/887137 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 28 AUG 06:54Z
    EPSS moved — → 0%
    epss
  • 27 AUG 01:30Z
    bsmi021 mcp-file-context-server Path Resolution index.ts read_context path traversal
    cvelistv5