- 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.
- Source
- disclosure@vulncheck.com
- NVD status
- Analyzed
- Products
- openclaw
CVSS 4.0
- Type
- Secondary
- Base score
- 6.9
- Impact score
- -
- Exploitability score
- -
- Vector string
- 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
- Severity
- MEDIUM
CVSS 3.1
- Type
- Primary
- Base score
- 6.6
- Impact score
- 4.7
- Exploitability score
- 1.8
- Vector string
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
- Severity
- MEDIUM
- disclosure@vulncheck.com
- CWE-862
- Hype score
- Not currently trending
[
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*",
"matchCriteriaId": "5F5B06F4-11CC-4EA5-A2BE-810BBAFEE56A",
"versionEndExcluding": "2026.4.24",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
]