Missing Authorization

Overview @openclaw/msteams is an OpenClaw Microsoft Teams channel plugin Affected versions of this package are vulnerable to Missing Authorization via the Microsoft Teams SSO invoke handler. An attacker can gain unauthorized access to Teams SSO signin functionality by sending specially crafted SS...

Improper Authorization

github.com/mattermost/mattermost-server is vulnerable to improper authorization. The vulnerability is due to failure in validating the relationship between the post being updated and the MSTeams plugin OAuth flow, which allows an attacker to exploit this via a crafted OAuth redirect URL to edit...

MAL-2026-2573 Malicious code in @aircall-ecosystem/integrations-msteams-frontend (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 4343cd15bb1d3104166b2ddf4f549bc184fde49233b5cfba97f353f00a8c2a2e The package @aircall-ecosystem/integrations-msteams-frontend was found to contain malicious code. Source: ghsa-malware...

Incorrect Authorization

Overview @openclaw/msteams is an OpenClaw Microsoft Teams channel plugin Affected versions of this package are vulnerable to Incorrect Authorization in the feedback invocation process. An attacker can record unauthorized session feedback or trigger feedback reflection by bypassing sender allowlis...

Server-side Request Forgery (SSRF)

Overview @openclaw/msteams is an OpenClaw Microsoft Teams channel plugin Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via inconsistent enforcement of host and DNS policies in the media fetch process. An attacker can access internal network resources or...

Missing Authorization

Overview @openclaw/msteams is an OpenClaw Microsoft Teams channel plugin Affected versions of this package are vulnerable to Missing Authorization via fileConsent/invoke. An attacker can access or manipulate pending file uploads belonging to other conversations by providing a valid uploadId withi...

PT-2026-26418

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:...

Insertion of Sensitive Information Into Sent Data

Overview @openclaw/msteams is an OpenClaw Microsoft Teams channel plugin 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 wi...

Mattermost Server 10.5.x < 10.5.12 / 10.11.x 10.11.4 / 10.12.x < 10.12.1 / 11.0.0 Multiple Vulnerabilities (MMSA-2025-00541, MMSA-2025-00492)

The version of Mattermost Server installed on the remote host is affected by multiple vulnerabilities as referenced in the MMSA-2025-00541, MMSA-2025-00492 advisory. - Mattermost versions 10.11.x = 10.11.3, 10.5.x = 10.5.11, 10.12.x = 10.12.0 fail to sanitize user data which allows system...

Missing Authentication for Critical Function

Overview github.com/mattermost/mattermost/server/channels/app is a private-cloud Slack alternative Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the MSTeams plugin OAuth flow. An attacker can modify arbitrary posts by sending a crafted OAuth...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the MSTeams plugin OAuth flow. An attacker can modify arbitrary posts by sending a crafted OAuth redirect URL. Remediation Upgrade github.com/mattermost/mattermost/server/public/model to...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the MSTeams plugin OAuth flow. An attacker can modify arbitrary posts by sending a crafted OAuth redirect URL. Remediation Upgrade github.com/mattermost/mattermost/server/channels/store t...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the MSTeams plugin OAuth flow. An attacker can modify arbitrary posts by sending a crafted OAuth redirect URL. Remediation Upgrade...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the MSTeams plugin OAuth flow. An attacker can modify arbitrary posts by sending a crafted OAuth redirect URL. Remediation Upgrade...

Mattermost 安全漏洞

Mattermost is an open source collaboration platform from Mattermost, Inc. in the United States. A security vulnerability exists in Mattermost versions 10.11.3 and prior to 10.11.x, 10.5.11 and prior to 10.5.x, and 10.12.0 and prior to 10.12.x. The vulnerability stems from an unvalidated post upda...

CVE-2025-27936

Mattermost Plugin MSTeams versions 2.1.0 and Mattermost Server versions 10.5.x =10.5.1 with the MS Teams plugin enabled fail to perform constant time comparison on a MSTeams plugin webhook secret which allows an attacker to retrieve the webhook secret of the MSTeams plugin via a timing attack...

Timing Attack

github.com/mattermost/mattermost-server is vulnerable to a Timing attack. The vulnerability is due to improper implementation of constant time comparison when comparing the MSTeams plugin webhook secret, allows an attacker to exploit timing differences in the comparison process to extract the...

Mattermost vulnerable to Observable Timing Discrepancy

Mattermost Plugin MSTeams versions 2.1.0 and Mattermost Server versions 10.5.x =10.5.1 with the MS Teams plugin enabled fail to perform constant time comparison on a MSTeams plugin webhook secret which allows an attacker to retrieve the webhook secret of the MSTeams plugin via a timing attack...

CVE-2025-27936

Mattermost Plugin MSTeams versions 2.1.0 and Mattermost Server versions 10.5.x =10.5.1 with the MS Teams plugin enabled fail to perform constant time comparison on a MSTeams plugin webhook secret which allows an attacker to retrieve the webhook secret of the MSTeams plugin via a timing attack...

CVE-2025-27936

Mattermost Plugin MSTeams versions 2.1.0 and Mattermost Server versions 10.5.x =10.5.1 with the MS Teams plugin enabled fail to perform constant time comparison on a MSTeams plugin webhook secret which allows an attacker to retrieve the webhook secret of the MSTeams plugin via a timing attack...