How severe is CVE-2025-6514?

CVE-2025-6514 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-6514 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 77% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-6514?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-6514 have an EU (EUVD) identifier?

Yes. CVE-2025-6514 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20823.

When was CVE-2025-6514 published?

CVE-2025-6514 was published on 2025-07-09 and last updated on 2026-06-17.

CVE-2025-6514

CVE-2025-6514 is a critical-severity vulnerability with a CVSS 3.x base score of 9.6. Its EPSS exploit-prediction score of 77% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.6)
EPSS exploit prediction: 77% (99th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-20823
Weakness: CWE-78
Published: 2025-07-09
Last modified: 2026-06-17

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

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
How severe is CVE-2025-6514?: CVE-2025-6514 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-6514 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 77% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-6514?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-6514 have an EU (EUVD) identifier?: Yes. CVE-2025-6514 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20823.
When was CVE-2025-6514 published?: CVE-2025-6514 was published on 2025-07-09 and last updated on 2026-06-17.

References

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