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.
{
"cwe_ids": [
"CWE-288"
],
"cna_assigner": "VulnCheck",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35634.json"
}{
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "2026.3.23"
}
],
"cpe": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*",
"source": [
"CPE_RANGE",
"REFERENCES"
]
}