Medium severity6.6NVD Advisory· Published Jun 11, 2026· Updated Jun 12, 2026
CVE-2026-53818
CVE-2026-53818
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
openclawnpm | < 2026.4.24 | 2026.4.24 |
Affected products
3Patches
Vulnerability mechanics
References
4- github.com/advisories/GHSA-rj6p-xmxr-qj4hghsaADVISORY
- github.com/openclaw/openclaw/security/advisories/GHSA-rj6p-xmxr-qj4hnvdMitigationVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-53818ghsaADVISORY
- www.vulncheck.com/advisories/openclaw-owner-only-tool-policy-bypass-via-mcp-loopbacknvdThird Party AdvisoryWEB
News mentions
2- OpenClaw: 25 CVEs Disclosed in Largest Security Batch, Including Code Execution and Critical Auth BypassVypr Intelligence · Jun 12, 2026
- OpenClaw: 14 Vulnerabilities Disclosed in Single Batch, Including Code Execution and Privilege EscalationVypr Intelligence · Jun 11, 2026