CVE-2026-33823

Improper authorization in Microsoft Teams allows an authorized attacker to disclose information over a network...

CVE-2026-33823 Microsoft Team Events Portal Information Disclosure Vulnerability

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CVE-2026-33823 Microsoft Team Events Portal Information Disclosure Vulnerability

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CVE-2026-33823

Technical details (affected product/component, root cause, exploit specifics, and remediation) are not publicly available in the provided documents. Monitor for updates from the listed sources (NVD, CVE List, MSRC, Attackerkb).

Microsoft Team Events Portal Information Disclosure Vulnerability

Improper authorization in Microsoft Teams allows an authorized attacker to disclose information over a network...

PT-2026-38579

Name of the Vulnerable Software and Affected Versions Microsoft Teams affected versions not specified Description Improper authorization in Microsoft Teams allows an authorized attacker to disclose information over a network. Recommendations At the moment, there is no information about a newer...

Microsoft Teams 授权问题漏洞

Microsoft Teams is a software product developed by the American company Microsoft, used for online meetings, chatting, and cloud storage functions. There is an authorization issue vulnerability in Microsoft Teams. This vulnerability stems from improper authorization procedures, which may allow...

MuddyWater Uses Microsoft Teams to Steal Credentials in False Flag Ransomware Attack

The Iranian state-sponsored hacking group known as MuddyWater aka Mango Sandstorm, Seedworm, and Static Kitten has been attributed to a ransomware attack in what has been described as a "false flag" operation. The attack, observed by Rapid7 in early 2026, has been found to leverage social...

EUVD-2026-27295

OpenClaw versions 2026.4.10 before 2026.4.14 contain a missing authorization vulnerability in the Microsoft Teams SSO invoke handler that fails to apply sender allowlist checks. Attackers can bypass sender authorization by sending SSO invoke requests that are processed without proper validation,...

CVE-2026-43572 OpenClaw 2026.4.10 < 2026.4.14 - Missing Sender Authorization in Microsoft Teams SSO Invoke Handler

OpenClaw versions 2026.4.10 before 2026.4.14 contain a missing authorization vulnerability in the Microsoft Teams SSO invoke handler that fails to apply sender allowlist checks. Attackers can bypass sender authorization by sending SSO invoke requests that are processed without proper validation,...

OpenClaw 安全漏洞

OpenClaw is an open-source intelligent artificial assistant developed by OpenClaw. Versions of OpenClaw from 2026.4.10 to 2026.4.14 contained security vulnerabilities. These vulnerabilities stemmed from a lack of authorization handling in Microsoft Teams SSO call processing programs. The system...

CVE-2026-41405

CVE-2026-41405 affects OpenClaw = 2026.3.31 to mitigate. The reports do not indicate exploitation details beyond remote resource exhaustion via crafted payloads.

CVE-2026-41405 OpenClaw < 2026.3.31 - Resource Exhaustion via Unauthenticated MS Teams Webhook Body Parsing

OpenClaw before 2026.3.31 parses MS Teams webhook request bodies before performing JWT validation, allowing unauthenticated attackers to trigger resource exhaustion. Remote attackers can send malicious Teams webhook payloads to exhaust server resources by bypassing authentication checks...

CVE-2026-41405 OpenClaw < 2026.3.31 - Resource Exhaustion via Unauthenticated MS Teams Webhook Body Parsing

OpenClaw before 2026.3.31 parses MS Teams webhook request bodies before performing JWT validation, allowing unauthenticated attackers to trigger resource exhaustion. Remote attackers can send malicious Teams webhook payloads to exhaust server resources by bypassing authentication checks...

Duplicate Advisory: OpenClaw: MSTeams thread history bypasses sender allowlist via Graph API

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-chfm-xgc4-47rj. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.31 contains a sender allowlist bypass vulnerability in MS Teams thread history fetched via Gra...

GHSA-8PF2-VJ79-4WXG Duplicate Advisory: OpenClaw: MSTeams thread history bypasses sender allowlist via Graph API

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-chfm-xgc4-47rj. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.31 contains a sender allowlist bypass vulnerability in MS Teams thread history fetched via Gra...

CVE-2026-41365

OpenClaw prior to 2026.3.31 has a sender allowlist bypass in MS Teams thread history fetched via Graph API, allowing retrieval of messages that should be filtered by sender allowlists. Root cause: bypass of sender filtering when collecting thread history. Impact: potential exposure of non-filtere...

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...

CVE-2026-41365

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...

EUVD-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...