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CVE

CVE-2026-18482

CVE-2026-18482
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CVE

CVE-2026-18482

CVE-2026-18482

Neo.mjs contains a command injection vulnerability within the FileSystemService.mjs component of the ai/mcp/server/file-system MCP server, where the checkSyntax() and runPlaywrightTest() functions unsafely interpolate caller-controlled absolutePath values into shell commands, enabling arbitrary OS command execution when an AI agent is induced to invoke these tools. Commit 88c77fc fixes these vulnerabilities.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.8
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
-

Related Resources

No items found.

References

https://novice-22.com/posts/neo-mjs/, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18482.json, https://nvd.nist.gov/vuln/detail/CVE-2026-18482, https://github.com/neomjs/neo/commit/5acc564ea1b278bca5fab1f8f397a6ba9b849d75, https://github.com/neomjs/neo/commit/88c77fc4

Severity

9.8

CVSS Score
0
10

Basic Information

Base CVSS
9.8
EPSS Probability
0.01651%
EPSS Percentile
0.75575%
Introduced Version
0
Fix Available
88c77fc4

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