CVE-2026-35623

MEDIUM

4.8

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.

CVE Details

CVSS v3.1 Score4.8

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityHIGH

Privileges RequiredNONE

User InteractionNONE

Published4/9/2026

Last Modified4/16/2026

Sourcenvd

Honeypot Sightings0

Affected Products

openclaw:openclaw

Weaknesses (CWE)

CWE-307

References

https://github.com/openclaw/openclaw/commit/5e08ce36d522a1c96df2bfe88e39303ae2643d92(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/security/advisories/GHSA-xq8g-hgh6-87hv(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-brute-force-attack-via-missing-webhook-password-rate-limiting(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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