CVE-2026-41365: OpenClaw < 2026.3.31 - Sender Allowlist Bypass via Graph API Thread History

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-28 · updated 2026-07-24
Weakness: CWE-441

Description

OpenClaw before 2026.3.31 contains a sender allowlist bypass vulnerability in MS Teams thread history fetched via Graph API. Attackers can retrieve thread messages that should be filtered by sender allowlists, bypassing message filtering restrictions.

Affected products

OpenClaw: before 2026.3.31 — fixed in 2026.3.31

How to fix

Upgrade to a fixed version: OpenClaw 2026.3.31. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/commit/5cca38084074fb5095aa11b6a59820d63e4937c9
https://github.com/openclaw/openclaw/security/advisories/GHSA-chfm-xgc4-47rj
https://www.vulncheck.com/advisories/openclaw-sender-allowlist-bypass-via-graph-api-thread-history

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