OpenClaw: Microsoft Teams media fetch paths bypass shared SSRF guard model

Impact Microsoft Teams media handling used mixed fetch paths for Graph metadata/content and attachment auth-retry flows. Some paths bypassed the shared SSRF guard model and created inconsistent host/DNS enforcement across redirect/fetch hops. Affected Packages / Versions - Package: openclaw npm -...

OpenClaw: MS Teams fileConsent/invoke missing conversation binding allowed cross-conversation pending-upload consumption

Summary In openclaw MS Teams file-consent flow, pending uploads were authorized by uploadId alone. fileConsent/invoke did not verify the invoke conversation against the conversation that created the pending upload. Impact An attacker who obtained a valid uploadId within TTL could trigger...

GHSA-J26J-7QC4-3MRF OpenClaw: MS Teams fileConsent/invoke missing conversation binding allowed cross-conversation pending-upload consumption

Summary In openclaw MS Teams file-consent flow, pending uploads were authorized by uploadId alone. fileConsent/invoke did not verify the invoke conversation against the conversation that created the pending upload. Impact An attacker who obtained a valid uploadId within TTL could trigger...

GHSA-W76H-8M22-HPGH OpenClaw's MSTeams attachment redirect handling could bypass configured media host allowlists

Summary In OpenClaw MSTeams media download flows, redirect handling could bypass configured mediaAllowHosts checks in specific attachment paths. Redirect chains were not consistently constrained to allowlisted targets before accepting fetched content. Affected Packages / Versions - Package:...

OpenClaw's MSTeams attachment redirect handling could bypass configured media host allowlists

Summary In OpenClaw MSTeams media download flows, redirect handling could bypass configured mediaAllowHosts checks in specific attachment paths. Redirect chains were not consistently constrained to allowlisted targets before accepting fetched content. Affected Packages / Versions - Package:...

EUVD-2026-8828

Fleet: Authorization Bypass in certificate template batch deletion for team administrators...

Fleet 安全漏洞

Fleet is an open-source device management platform developed by Fleet Device Management. It supports various operating systems and devices, and helps IT and security teams with device management, vulnerability reporting, MDM operations, etc. Versions of Fleet prior to 4.80.1 contained security...

OWASP Smart Contract Top 10

The OWASP Smart Contract Top 10: 2026 is a standard awareness document that aims to provide Web3 developers and security teams with insights into the top 10 vulnerabilities found in smart contracts. It is a sub‑project of the broader OWASP Smart Contract Security OWASP SCS initiative. It serves a...

CVE-2026-21535

Improper access control in Microsoft Teams allows an unauthorized attacker to disclose information over a network...

CVE-2026-21535

Improper access control in Microsoft Teams allows an unauthorized attacker to disclose information over a network...

CVE-2026-21535 Microsoft Teams Information Disclosure Vulnerability

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CVE-2026-21535

Technical details about CVE-2026-21535 are not publicly provided in the supplied documents. Monitor for updates to obtain affected products, impact details, and remediation information.

CVE-2026-21535 Microsoft Teams Information Disclosure Vulnerability

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Microsoft Teams Information Disclosure Vulnerability

Improper access control in Microsoft Teams allows an unauthorized attacker to disclose information over a network...

Microsoft Teams 访问控制错误漏洞

Microsoft Teams is a software product developed by the American company Microsoft, used for online meetings, chatting, and cloud storage functions. Microsoft Teams has a vulnerability related to access control, which stems from improper access controls. This vulnerability could allow unauthorized...

KLA90898 SB vulnerability in Microsoft Office

Security bypass vulnerability was found in Microsoft Teams. Malicious users can exploit this vulnerability to obtain sensitive information, bypass security restrictions. Original advisories CVE-2026-21535 Exploitation Related products Microsoft-Teams-for-Desktop CVE list CVE-2026-21535 critical...

PT-2026-20942

Name of the Vulnerable Software and Affected Versions Microsoft Teams affected versions not specified Description An improper access control issue exists in Microsoft Teams. This allows an unauthorized attacker to disclose sensitive information over a network. The issue is due to insufficient...

Mattermost Server 10.11.x <= 10.11.9 / 11.0.x <= 11.2.x Improper Access Control (MMSA-2025-00549)

The version of Mattermost Server installed on the remote host is affected by a vulnerability as referenced in the MMSA-2025-00549 advisory. - Mattermost versions 10.11.x = 10.11.9 and 11.0.x = 11.2.x fail to properly enforce access control checks in the common teams API. This allows the API to...

Insertion of Sensitive Information Into Sent Data

Overview openclaw is a 🦞 OpenClaw — Personal AI Assistant Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data via the process that handles downloading inbound MS Teams attachments or inline images, specifically when retrying URLs with an...

OpenClaw MS Teams inbound attachment downloader leaks bearer tokens to allowlisted suffix domains

Summary NOTE: This only affects deployments that enable the optional MS Teams extension Teams channel. If you do not use MS Teams, you are not impacted. When OpenClaw downloads inbound MS Teams attachments / inline images, it may retry a URL with an Authorization: Bearer header after receiving 40...