OpenClaw before 2026.3.23 contains an authentication bypass vulnerability in the Canvas gateway where authorizeCanvasRequest() unconditionally allows local-direct requests without validating bearer tokens or canvas capabilities. Attackers can send unauthenticated loopback HTTP and WebSocket requests to Canvas routes to bypass authentication and gain unauthorized access.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-288"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35634.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2026.3.23"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "630f1479c44f78484dfa21bb407cbe6f171dac87"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "d5dc6b6573ae489bc7e5651090f4767b93537c9e"
}
],
"source": "REFERENCES_COMMIT"
}
]
}