Detections
Analytics

SCA: security update for fastmcp (GHSA-rj5c-58rq-j5g5)

medium Tenable Cloud Security Plugin ID 435849

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - FastMCP is the standard framework for building MCP applications. Versions prior to 2.13.0, a command-
 injection vulnerability lets any attacker who can influence the server_name field of an MCP execute
 arbitrary OS commands on Windows hosts that run fastmcp install cursor. This vulnerability is fixed in
 2.13.0. (CVE-2025-62801)

See Also

https://github.com/advisories/GHSA-rj5c-58rq-j5g5

Plugin Details

Severity: Medium

ID: 435849

Version: Revision 1.9

Type: Local

Family: SCA Checks

Published: 10/29/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.75

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2025-62801

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 5.4

Threat Score: 4.5

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/29/2025

Vulnerability Publication Date: 10/28/2025

Reference Information

CVE: CVE-2025-62801

cwe: CWE-78