CVE-2026-53818
MEDIUMOpenClaw < 2026.4.24 - Owner-Only Tool Policy Bypass via MCP Loopback
Title source: cnaDescription
OpenClaw before 2026.4.24 contains an authorization bypass vulnerability in the MCP loopback feature that allows non-owner callers to skip owner-only tool policies and before-tool-call hooks. Attackers can invoke owner-only behavior through the affected loopback path to execute restricted tools when the feature is enabled and reachable.
References (2)
Core 2
Core References
Vendor Advisory vendor-advisory
patch
GitHub Security Advisory (GHSA-rj6p-xmxr-qj4h)
https://github.com/openclaw/openclaw/security/advisories/GHSA-rj6p-xmxr-qj4h
Third Party Advisory third-party-advisory
https://www.vulncheck.com/advisories/openclaw-owner-only-tool-policy-bypass-via-mcp-loopback
Scores
CVSS v3
6.6
EPSS
0.0010
EPSS Percentile
0.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-862
Status
published
Products (3)
OpenClaw/OpenClaw
< 2026.4.24
openclaw/openclaw
< 2026.4.24
OpenClaw/OpenClaw
2026.4.24
Published
Jun 11, 2026
Tracked Since
Jun 12, 2026