CVE-2026-41365
OpenClaw < 2026.3.31 - Sender Allowlist Bypass via Graph API Thread History
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
OpenClaw < 2026.3.31 - Sender Allowlist Bypass via Graph API Thread History
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.
- Record
CVE-2026-41365- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N - CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-441
- Updated
- 2026-11-02
EUVDEUVD-2026-25945
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.
- Record
EUVD-2026-25945- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-chfm-xgc4-47rj
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.
- Record
GHSA-chfm-xgc4-47rj- CVSS 4.0
- 2.3 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N - Weakness
- CWE-863
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-41365- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/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
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-441
- Updated
- 2026-11-02
OSV
OpenClaw < 2026.3.31 - Sender Allowlist Bypass via Graph API Thread History
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.
- Record
CVE-2026-41365- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-441
- Updated
- 2026-11-02
OSVGHSA-chfm-xgc4-47rj
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.
- Record
GHSA-chfm-xgc4-47rj- CVSS 4.0
- 2.3 Low
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N - Weakness
- CWE-863
- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-41365 is a medium vulnerability (CVSS 5.3) in Openclaw, published April 2, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 7th percentile. Fixed in openclaw 2026.3.31.
References
github.com/openclaw/openclaw/security/advisories/GHSA-chfm-xgc4-47rj
vulncheck.com/advisories/openclaw-sender-allowlist-bypass-via-graph-api-thread-history
nvd.nist.gov/vuln/detail/CVE-2026-41365