CVEvulnerability
CVE-2026-34506
2.3 LOW
Official page ↗
- Status
- Analyzed
- Published
- 2026-03-31
- Last modified
- 2026-07-24
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 2.3 LOW — CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-863
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.
Affected configurations
• openclaw openclaw (< 2026.3.8)
Related
Weakness · CWE (1)
- CWE-863 Incorrect Authorization weakness
References
- https://github.com/openclaw/openclaw/commit/88aee9161e0e6d32e810a25711e32a808a1777b2 Patch
- https://github.com/openclaw/openclaw/security/advisories/GHSA-g7cr-9h7q-4qxq Vendor Advisory
- https://www.vulncheck.com/advisories/openclaw-sender-allowlist-bypass-in-microsoft-teams-plugin-via-route-allowlist-configuration Third Party Advisory