Home/CVE/OpenClaw before 2026.3.31 contains a sender allowlist bypass vulnerability in MS Teams thread history fetched via Graph
CVE

CVE-2026-41365

OpenClaw before 2026.3.31 contains a sender allowlist bypass vulnerability in MS Teams thread history fetched via Graph

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.

MEDIUM · CVSS 5.4 EPSS 0.00034
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-441Unintended Proxy or Intermediary ('Confused Deputy')
▤

Affected Products & Versions

1
openclaw< 2026.3.31
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Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm openclaw LOW fixed in 2026.3.31
▣

Scoring & Timeline

5.4
MEDIUM · CVSS v3.1 · disclosure@vulncheck.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD28 Apr 2026 · 12:16 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/openclaw/openclaw/commit/5cca38084074fb5095aa11b6a59820d63e4937c9Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-chfm-xgc4-47rjVendor Advisory
https://www.vulncheck.com/advisories/openclaw-sender-allowlist-bypass-via-graph-api-thread-historyThird Party Advisory
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