PT-2026-29237 · Openclaw · Openclaw

Peng Zhou · Published 2026-03-31 · Updated 2026-03-31 · CVE-2026-34506

Mitre

CVSS v3.1

7.5

High

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

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.

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2026-34506

Affected Products

Openclaw

References · 4

• https://github.com/openclaw/openclaw/commit/88aee9161e0e6d32e810a25711e32a808a1777b2 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-34506 · Security Note
• https://github.com/openclaw/openclaw/security/advisories/GHSA-g7cr-9h7q-4qxq · Note
• https://vulncheck.com/advisories/openclaw-sender-allowlist-bypass-in-microsoft-teams-plugin-via-route-allowlist-configuration · Note