Riskcovery

CVE-2026-104120

modelcontextprotocol mcp-server-fetch/mcp-server-everything Fetch Tool server.py fetch_url server-side request forgery

State
Published
Severity
6.9 Medium
Published
Oct 2, 2026
Updated
Oct 6, 2026
Reserved
Oct 1, 2026

Read the record on cve.org

Description

A security vulnerability has been detected in modelcontextprotocol mcp-server-fetch and mcp-server-everything up to 2026.6.4. Affected is the function fetch_url of the file mcp_server_fetch/server.py of the component Fetch Tool. The manipulation of the argument url/path leads to server-side request forgery. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The pull request to fix this issue awaits acceptance.

Scores

CVSSScoreVectorSource
4.06.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PVulDB
3.17.3 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:CVulDB
3.07.3 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:CVulDB
2.07.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:CVulDB

Weaknesses

  • CWE-918 Server-Side Request Forgery

Affected Products

ProductVersions
mcp-server-fetchmodelcontextprotocol
  • 2026.6.0Affected
  • 2026.6.1Affected
  • 2026.6.2Affected
  • 2026.6.3Affected
  • 2026.6.4Affected
mcp-server-everythingmodelcontextprotocol
  • 2026.6.0Affected
  • 2026.6.1Affected
  • 2026.6.2Affected
  • 2026.6.3Affected
  • 2026.6.4Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.