What is CVE-2026-45805?

CVE-2026-45805 is a high-severity vulnerability in Penpot, classified under CWE-749. CVSS score: 8.8/10. Published 2026-07-15.

How severe is CVE-2026-45805?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Penpot

CVE-2026-45805

Penpot is an open-source design tool for design and code collaboration. Prior to 2.15.0, Penpot MCP's mcp/packages/server/src/ReplServer.ts bound the ReplServer to 0.0.0.0:4403 and exposed an unauthenticated /execute endpoint that passed t…

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Penpot — versions < 2.15.0

Weakness classification (CWE)

CWE-749

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-45805?: CVE-2026-45805 is a high-severity vulnerability in Penpot, classified under CWE-749. CVSS score: 8.8/10. Published 2026-07-15.
How severe is CVE-2026-45805?: High severity. CVSS v3 base score is 8.8 out of 10.