CVE-2026-35623

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

Published Apr 9, 2026 CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-xq8g-hgh6-87hv OpenClaw: BlueBubbles Webhook Missing Rate Limiting Enables Brute-Force Password Guessing
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title OpenClaw < 2026.3.25 - Brute-Force Attack via Missing Webhook Password Rate Limiting
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-307
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 6.3, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jun 23, 2026, 4:15 PM
Reserved
Apr 4, 2026, 12:28 PM
Status
Analyzed
Published
Apr 9, 2026, 10:16 PM
Modified
Jun 17, 2026, 10:40 AM