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CRITICAL

CVE-2025-6514

CVSS v3

9.6

CRITICAL

EPSS Score

77.0 %

exploit probability, as of 2026-10-19

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • mcp-remotenpmfrom 0.0.5 · fixed in 0.1.16

Full record on NVD

Description

mcp-remote is exposed to OS command injection when connecting to untrusted MCP servers due to crafted input from the authorization_endpoint response URL

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Published
2025-07-09
Last Modified
2026-04-15

Frequently asked questions

What is CVE-2025-6514?

mcp-remote is exposed to OS command injection when connecting to untrusted MCP servers due to crafted input from the authorization_endpoint response URL

Is CVE-2025-6514 actively exploited?

Active exploitation of CVE-2025-6514 has not been confirmed. Its EPSS score was 77.0% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-6514?

CVE-2025-6514 has a CVSS v3 base score of 9.6 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

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