VULNERABILITY INTELLIGENCE
CVE-2026-53820
CVSS score6.6 MEDIUM
EPSS probability0.09%
CISA KEVNot currently listed
Published2026-06-12
Last modified2026-07-23
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
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.
Weakness classification
- disclosure@vulncheck.com: CWE-862
Primary references
- disclosure@vulncheck.com — Mitigation, Vendor Advisory
- disclosure@vulncheck.com — Third Party Advisory