CVE-2026-35623

| EUVD-2026-21105 MEDIUM
2026-04-09 VulnCheck GHSA-rc8f-r29c-chr6
6.3
CVSS 4.0
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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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

4
Analysis Generated
Apr 09, 2026 - 21:45 vuln.today
EUVD ID Assigned
Apr 09, 2026 - 21:45 euvd
EUVD-2026-21105
Patch Released
Apr 09, 2026 - 21:45 nvd
Patch available
CVE Published
Apr 09, 2026 - 21:26 nvd
MEDIUM 6.3

Tags

Authentication Bypass Openclaw

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.

Analysis

OpenClaw before version 2026.3.25 allows unauthenticated remote attackers to brute-force webhook authentication credentials due to missing rate limiting on password validation attempts. The vulnerability enables attackers to perform repeated authentication guesses against the webhook endpoint without throttling, potentially compromising webhook security and gaining unauthorized access to webhook functionality.

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Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

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CVE-2026-35623 vulnerability details – vuln.today
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