CVE-2026-53820

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.

CVSS v3 6.6 MEDIUM

6.6^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 4.7

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/openclaw/openclaw/security/advisories/GHSA-qh2f-99mv-mrcf	Mitigation Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-exec-denylist-bypass-in-bundle-mcp-loopback-session-spawn	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

History

16 Jun 2026, 02:53

Type	Values Removed	Values Added
First Time		Openclaw Openclaw openclaw
References	~~() https://github.com/openclaw/openclaw/security/advisories/GHSA-qh2f-99mv-mrcf -~~	() https://github.com/openclaw/openclaw/security/advisories/GHSA-qh2f-99mv-mrcf - Mitigation, Vendor Advisory
References	~~() https://www.vulncheck.com/advisories/openclaw-exec-denylist-bypass-in-bundle-mcp-loopback-session-spawn -~~	() https://www.vulncheck.com/advisories/openclaw-exec-denylist-bypass-in-bundle-mcp-loopback-session-spawn - Third Party Advisory
CPE		cpe:2.3:a:openclaw:openclaw::::::node.js::*

12 Jun 2026, 22:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-12 22:16

Updated : 2026-06-16 02:53

NVD link : CVE-2026-53820

Mitre link : CVE-2026-53820

CVE.ORG link : CVE-2026-53820

JSON object : View

Products Affected

openclaw

openclaw

CWE

CWE-862

Missing Authorization

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