CVE-2026-35623 MEDIUM

CVE-2026-35623: OpenClaw < 2026.3.25 - Brute-Force Attack via Missing Webhook Password Rate Limiting

Vendor Openclaw
Product OpenClaw
Weakness CWE-307 · Brute force
Published April 9, 2026
Last update April 10, 2026
View on NVD All CVEs

CVSS base score

6.3/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 9, 2026 CVE published
April 10, 2026 Record updated