OpenClaw version 2026.1.20 prior to 2026.2.1 contains a vulnerability in the Browser Relay (extension must be installed and enabled) /cdp WebSocket endpoint in which it does not require authentication tokens, allowing websites to connect via loopback and access sensitive data. Attackers can exploit this by connecting to ws://127.0.0.1:18792/cdp to steal session cookies and execute JavaScript in other browser tabs.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-306"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/28xxx/CVE-2026-28458.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "2026.1.20"
},
{
"fixed": "2026.2.1"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "a1e89afcc19efd641c02b24d66d689f181ae2b5c"
}
],
"source": "REFERENCES_COMMIT"
}
]
}