CVE-2026-34506

MEDIUM

4.3

Description

OpenClaw before 2026.3.8 contains a sender allowlist bypass vulnerability in its Microsoft Teams plugin that allows unauthorized senders to bypass intended authorization checks. When a team/channel route allowlist is configured with an empty groupAllowFrom parameter, the message handler synthesizes wildcard sender authorization, permitting any sender in the matched team/channel to trigger replies in allowlisted Teams routes.

Details CVE

Score CVSS v3.14.3

SeveriteMEDIUM

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie3/31/2026

Derniere modification4/1/2026

Sourcenvd

Observations honeypot0

Produits affectes

openclaw:openclaw

Faiblesses (CWE)

CWE-863

References

https://github.com/openclaw/openclaw/commit/88aee9161e0e6d32e810a25711e32a808a1777b2(disclosure@vulncheck.com)

https://github.com/openclaw/openclaw/security/advisories/GHSA-g7cr-9h7q-4qxq(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/openclaw-sender-allowlist-bypass-in-microsoft-teams-plugin-via-route-allowlist-configuration(disclosure@vulncheck.com)

Correlations IOC

Aucune correlation enregistree

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