CVEvulnerability
CVE-2026-53818
6.9 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-06-11
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 6.9 MEDIUM — CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 6.6 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
- Weaknesses
- CWE-862
Description
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.
Affected configurations
• openclaw openclaw (< 2026.4.24)
Related
Weakness · CWE (1)
- CWE-862 Missing Authorization weakness
References
- https://github.com/openclaw/openclaw/security/advisories/GHSA-rj6p-xmxr-qj4h Mitigation, Vendor Advisory
- https://www.vulncheck.com/advisories/openclaw-owner-only-tool-policy-bypass-via-mcp-loopback Third Party Advisory