CVE-2025-6514: exploitation status and patch state

CVE-2025-6514 · CVSS 9.6 CRITICAL · EPSS 78%

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 exploited?

• Not in the CISA KEV catalog.
• EPSS puts exploitation in the next 30 days at 78%.
• Public exploit code: none found in monitored sources.

Which products and versions are affected?

No affected package list recorded here yet.

Is there a patch?

No patch identifier recorded here yet.

What PlainSec published about CVE-2025-6514

• One Poisoned Dependency Can Backdoor Agent Frameworks (2026-06-12)

Primary sources

• NVD record

What this record does not say

• No affected package data.
• No patch identifier.

KEV and EPSS are re-checked daily. Record last updated 2026-08-13.