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.
Published: 2026-04-27
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Bypass Sender Allowlist
Action: Patch
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Github GHSA Github GHSA GHSA-chfm-xgc4-47rj OpenClaw: MSTeams thread history bypasses sender allowlist via Graph API
History

Tue, 28 Apr 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 27 Apr 2026 23:45:00 +0000

Type Values Removed Values Added
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.
Title OpenClaw < 2026.3.31 - Sender Allowlist Bypass via Graph API Thread History
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-441
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': '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'}


Subscriptions

Openclaw Openclaw
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-28T13:55:22.919Z

Reserved: 2026-04-20T14:09:02.629Z

Link: CVE-2026-41365

cve-icon Vulnrichment

Updated: 2026-04-28T13:55:08.089Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-28T00:16:25.563

Modified: 2026-04-28T18:41:30.363

Link: CVE-2026-41365

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-29T01:45:26Z

Weaknesses