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.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-307"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35623.json",
"unresolved_ranges": [
{
"extracted_events": [
{
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"source": "AFFECTED_FIELD"
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{
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"source": "CPE_FIELD"
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{
"extracted_events": [
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"source": "DESCRIPTION"
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