7.3

CVE-2025-53109: modelcontextprotocol servers Link Following

CVSS: 7.3v4.0HighDeferred
AliasesGHSA-q66q-fx2p-7w4m
Published 02-07-2025Last modified 02-07-2025
Open JSON

Vulnerability summary

CVE-2025-53109 is a high (CVSS 7.3) Link Following vulnerability in modelcontextprotocol servers. EPSS estimates a 0.77% chance of exploitation in the next 30 days, higher than 54.6% of scored vulnerabilities.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.3/10
010
High · v4.0 (CVE.org)
EPSS score
0.77%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 02-07-2025
    PublishedVulnerability first disclosed.
  2. 02-07-2025
    Last modifiedVulnerability information updated.

Description

Model Context Protocol Servers is a collection of reference implementations for the model context protocol (MCP). Versions of Filesystem prior to 0.6.4 or 2025.7.01 could allow access to unintended files via symlinks within allowed directories. Users are advised to upgrade to 0.6.4 or 2025.7.01 resolve.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.77%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

+0.04 pp

From 0.73% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.77%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

@modelcontextprotocol1 product
  • server-filesystem≤ 0.6.2 | ≥ 2025.1.14, < 2025.7.1
Modelcontextprotocol1 product

2 vendors · 2 products

References

4 links