OpenClaw: MSTeams thread history bypasses sender allowlist via Graph API
## Summary MSTeams thread history bypasses sender allowlist via Graph API ## Current Maintainer Triage - Status: open - Normalized severity: medium - Assessment: Real in shipped v2026.3.28 MS Teams because Graph-fetched thread history bypasses sender allowlists, with unreleased mainline filtering fix. ## Affected Packages / Versions - Package: `openclaw` (npm) - Latest published npm version: `2026.3.31` - Vulnerable version range: `<=2026.3.28` - Patched versions: `>= 2026.3.31` - First stable tag containing the fix: `v2026.3.31` ## Fix Commit(s) - `5cca38084074fb5095aa11b6a59820d63e4937c9` — 2026-03-30T15:38:26+01:00 OpenClaw thanks @AntAISecurityLab for reporting.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-41365US | —OT elevated | — | ||
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 f… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/openclaw/openclawPACKAGE
- https://github.com/openclaw/openclaw/commit/5cca38084074fb5095aa11b6a59820d63e4937c9WEB
- https://github.com/openclaw/openclaw/releases/tag/v2026.3.31WEB
- https://github.com/openclaw/openclaw/security/advisories/GHSA-chfm-xgc4-47rjWEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-41365ADVISORY
- https://www.vulncheck.com/advisories/openclaw-sender-allowlist-bypass-via-graph-api-thread-historyWEB
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