CVE-2026-35640

MEDIUM

5.3

Beschreibung

OpenClaw before 2026.3.25 parses JSON request bodies before validating webhook signatures, allowing unauthenticated attackers to force resource-intensive parsing operations. Remote attackers can send malicious webhook requests to trigger denial of service by exhausting server resources through forced JSON parsing before signature rejection.

CVE Details

CVSS v3.1 Bewertung5.3

SchweregradMEDIUM

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

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht4/9/2026

Zuletzt geandert4/15/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

openclaw:openclaw

Schwachen (CWE)

CWE-696

Referenzen

https://github.com/openclaw/openclaw/commit/5e8cb22176e9235e224be0bc530699261eb60e53(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/security/advisories/GHSA-3h52-cx59-c456(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-unauthenticated-webhook-request-parsing(disclosure@vulncheck.com)

IOC Korrelationen

Keine Korrelationen erfasst

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