CVE-2026-35646

MEDIUM

4.8

Beschreibung

OpenClaw before 2026.3.25 contains a pre-authentication rate-limit bypass vulnerability in webhook token validation that allows attackers to brute-force weak webhook secrets. The vulnerability exists because invalid webhook tokens are rejected without throttling repeated authentication attempts, enabling attackers to guess weak tokens through rapid successive requests.

CVE Details

CVSS v3.1 Bewertung4.8

SchweregradMEDIUM

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

AngriffsvektorNETWORK

KomplexitatHIGH

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht4/9/2026

Zuletzt geandert4/15/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

openclaw:openclaw

Schwachen (CWE)

CWE-307

Referenzen

https://github.com/openclaw/openclaw/commit/0b4d07337467f4d40a0cc1ced83d45ceaec0863c(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/security/advisories/GHSA-mf5g-6r6f-ghhm(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-pre-authentication-rate-limit-bypass-in-webhook-token-validation(disclosure@vulncheck.com)

IOC Korrelationen

Keine Korrelationen erfasst

This product uses data from the NVD API but is not endorsed or certified by the NVD.