OpenClaw before 2026.3.22 contains an authentication bypass vulnerability in the X-Forwarded-For header processing when trustedProxies is configured, allowing attackers to spoof loopback hops. Remote attackers can inject forged forwarding headers to bypass canvas authentication and rate-limiting protections by masquerading as loopback clients.
{
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35656.json",
"cwe_ids": [
"CWE-290"
],
"cna_assigner": "VulnCheck"
}{
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "2026.3.22"
}
],
"source": [
"CPE_RANGE",
"REFERENCES"
],
"cpe": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*"
}