CVE-2026-35623

MEDIUM

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

Title source: cna

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.

References (3)

[Third Party Advisory] https://github.com/openclaw/openclaw/security/advisories/GHSA-xq8g-hgh6-87hv

[Patch] https://github.com/openclaw/openclaw/commit/5e08ce36d522a1c96df2bfe88e39303ae2643d92

View Patch ZIP pw:eip

[Third Party Advisory] https://www.vulncheck.com/advisories/openclaw-brute-force-attack-via-missing-webhook-password-rate-limiting

Scores

CVSS v3 4.8

EPSS 0.0008

EPSS Percentile 22.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Details

CWE

CWE-307

Status published

Products (4)

npm/openclaw 0npm

OpenClaw/OpenClaw < 2026.3.25

openclaw/openclaw < 2026.3.25

OpenClaw/OpenClaw 2026.3.25

Published Apr 09, 2026

Tracked Since Apr 10, 2026