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CVE-2026-45805

8.8 · HIGH

Penpot is an open-source design tool for design and code collaboration.

Published Jul 15, 2026CWE-749EPSS 0.38%

Overview

CVE-2026-45805 is a high-severity vulnerability. It was published on July 15, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

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 the code field to PluginBridge.executePluginTask(), allowing anyone on the network to execute JavaScript on the server. This issue is fixed in version 2.15.0.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/penpot/penpot/commit/798ee46b4a84ee6dfc756b001f33acbe0280d62fGitHubgithub.com/penpot/penpot/issues/9518GitHubgithub.com/penpot/penpot/releases/tag/2.15.0GitHubgithub.com/penpot/penpot/security/advisories/GHSA-22qr-rp27-j9wmGitHubgithub.com/penpot/penpot/security/advisories/GHSA-22qr-rp27-j9wm

How CyberStrike helps

Frequently asked questions

What is CVE-2026-45805?

CVE-2026-45805 is a high-severity vulnerability. It was published on July 15, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-45805?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-45805?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-45805?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-45805 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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