CVE-2026-28449

MEDIUM

6.5

Description

OpenClaw versions prior to 2026.2.25 lack durable replay state for Nextcloud Talk webhook events, allowing valid signed webhook requests to be replayed without suppression. Attackers can capture and replay previously valid signed webhook requests to trigger duplicate inbound message processing and cause integrity or availability issues.

Details CVE

Score CVSS v3.16.5

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie3/19/2026

Derniere modification3/25/2026

Sourcenvd

Observations honeypot0

Produits affectes

openclaw:openclaw

Faiblesses (CWE)

CWE-294

References

https://github.com/openclaw/openclaw/commit/d512163d686ad6741783e7119ddb3437f493dbbc(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/security/advisories/GHSA-r9q5-c7qc-p26w(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-webhook-replay-attack-via-missing-durable-replay-suppression(disclosure@vulncheck.com)

Correlations IOC

Aucune correlation enregistree

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