OpenClaw before 2026.3.25 contains a missing rate limiting vulnerability in webhook authentication that allows attackers to brute-force weak webhook passwords without throttling. Remote attackers can repeatedly submit incorrect password guesses to the webhook endpoint to compromise authentication and gain unauthorized access.
{
"cwe_ids": [
"CWE-307"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35623.json",
"cna_assigner": "VulnCheck",
"unresolved_ranges": [
{
"source": "AFFECTED_FIELD",
"extracted_events": [
{
"fixed": "2026.3.25"
}
]
},
{
"source": "CPE_FIELD",
"extracted_events": [
{
"fixed": "2026.3.25"
}
]
},
{
"source": "DESCRIPTION",
"extracted_events": [
{
"fixed": "2026.3.25"
}
]
}
]
}