CVE-2026-45805
HIGH Exploitation: PoC
8.8
CVSS 3.1
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.
Metadata
Severity & Metrics
8.8
HIGH CVSS 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC — CISA Coordinator
Affected products (1)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| penpot | penpot | — | < 2.15.0 |
Weakness (CWE)
| CWE | Source | Description |
|---|---|---|
| CWE-749 | cna | CWE-749: Exposed Dangerous Method or Function |
CVSS scores (1)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 8.8 | HIGH | 3.1 | cna | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
References (4)
- https://github.com/penpot/penpot/security/advisories/GHSA-22qr-rp27-j9wm https://github.com/penpot/penpot/security/advisories/GHSA-22qr-rp27-j9wm
- https://github.com/penpot/penpot/issues/9518 https://github.com/penpot/penpot/issues/9518
- https://github.com/penpot/penpot/commit/798ee46b4a84ee6dfc756b001f33acbe0280d62f https://github.com/penpot/penpot/commit/798ee46b4a84ee6dfc756b001f33acbe0280d62f
- https://github.com/penpot/penpot/releases/tag/2.15.0 https://github.com/penpot/penpot/releases/tag/2.15.0