CVE Watch24 jul 2026

CVE-2026-34506

OpenClaw before 2026.3.8 contains a sender allowlist bypass vulnerability in its Microsoft Teams plugin that allows unauthorized senders to

CVSS

4.3

Medio

EPSS

0.3%

p19

KEV

—

Exploit Today

0-100

Publicado: 31 mar 2026 · Última mod.: 24 jul 2026 · CWE-863

EPSS · 30d

0.3%EPSS · 30 días0.3%

2026-08-042026-08-31

Descripción técnica

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.

Referencias oficiales

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