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OpenAdvisories
Medium · 4.8 CVE-2026-35623 EUVD-2026-21105GHSA-rc8f-r29c-chr6GHSA-xq8g-hgh6-87hv

OpenClaw < 2026.3.25 - Brute-Force Attack via Missing Webhook Password Rate Limiting

Published Apr 9, 2026 · Updated Jun 23, 2026 · Assigned by VulnCheck

Description

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.

Affected products

VendorProductAffectedFixed
OpenClaw OpenClaw < 2026.3.25 2026.3.25

Affected packages

EcosystemPackageAffectedFixedRecord
npm openclaw <= 2026.3.24 — GHSA-xq8g-hgh6-87hv

References