CVE-2026-53820

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

6.6 / 10

Vector String

                                        CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L                                    

Vulnerability Description

OpenClaw before 2026.5.12 contains an exec denylist bypass vulnerability in the bundle MCP loopback session-spawn path that allows authenticated callers to bypass intended command restrictions. Attackers can reach the affected bundled MCP session-spawn path to start sessions with broader command reach than intended.

Vulnerability Details

Published Date

June 12, 2026

Last Modified

June 17, 2026

CWE ID

CWE-862

Source

NVD

Vendor

OpenClaw

Product

OpenClaw

External References

https://github.com/openclaw/openclaw/security/advisories/GHSA-qh2f-99mv-mrcf
https://www.vulncheck.com/advisories/openclaw-exec-denylist-bypass-in-bundle-mcp-loopback-session-spawn

CVE-2026-53820

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

Discussion (0)

Add Comment