CVE-2025-56405

HIGHNVD 7.57.5—Trending — 3 sources updated this weekElevated

7.5

An issue was discovered in litmusautomation litmus-mcp-server thru 0.0.1 allowing unauthorized attackers to control the target's MCP service through the SSE protocol.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 26.7%
KEV: Not listed

Published

September 10, 2025

Last Modified

September 17, 2025

References (2)

cve@mitrehttps://github.com/August829/CVEP/issues/3
cve@mitrehttps://github.com/litmusautomation/litmus-mcp-server/issues/4

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 11× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 06:10 UTCepss_batch
2026-06-05 06:10 UTCepss_batch
2026-06-04 13:12 UTCepss_batch
2026-06-04 13:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-29 23:03 UTCEG score recompute
2026-05-29 23:03 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-56405?

CVE-2025-56405 is a high vulnerability published on September 10, 2025. An issue was discovered in litmusautomation litmus-mcp-server thru 0.0.1 allowing unauthorized attackers to control the target's MCP service through the SSE protocol.

When was CVE-2025-56405 disclosed?

CVE-2025-56405 was first published in the National Vulnerability Database on September 10, 2025, with the most recent update on September 17, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-56405 actively exploited?

CVE-2025-56405 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 26.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-56405?

CVE-2025-56405 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2025-56405?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-56405, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-56405

Explore →

Is Your Infrastructure Affected by CVE-2025-56405?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2025-56405

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-56405?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)