CVE-2026-62195
HIGH
8.3
CVSS 3.1
Description
OpenClaw versions 2026.5.20 before 2026.6.6 contain an authorization bypass vulnerability in the MCP loopback feature that allows lower-trust callers to execute owner-only tools. Attackers can bypass authorization checks through configured input paths to execute or persist actions beyond their intended permissions.
Metadata
Severity & Metrics
8.3
HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
Affected products (1)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| OpenClaw | OpenClaw | — | 2026.5.20 < 2026.6.6, 2026.6.6 |
Weakness (CWE)
| CWE | Source | Description |
|---|---|---|
| CWE-732 | cna | Incorrect Permission Assignment for Critical Resource |
CVSS scores (2)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 8.7 | HIGH | 4.0 | cna | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N |
| 8.3 | HIGH | 3.1 | cna | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L |
References (2)
- GitHub Security Advisory (GHSA-52xj-c9p8-78cv) https://github.com/openclaw/openclaw/security/advisories/GHSA-52xj-c9p8-78cv
- VulnCheck Advisory: OpenClaw 2026.5.20 < 2026.6.6 Authorization Bypass via MCP loopback https://www.vulncheck.com/advisories/openclaw-authorization-bypass-via-mcp-loopback