Mattermost 安全漏洞

Mattermost is an open-source collaboration platform developed by the American company Mattermost. Vulnerabilities exist in Mattermost versions 11.4.0 and earlier 11.4.x series, 11.3.1 and earlier 11.3.x series, 11.2.3 and earlier 11.2.x series, as well as 10.11.11 and earlier 10.11.x series. Thes...

CVE-2026-27656: Incorrect Implementation of Authentication Algorithm

Mattermost versions 11.4.x = 11.4.0, 11.3.x = 11.3.1, 11.2.x = 11.2.3, 10.11.x = 10.11.11 fail to properly validate user identity in the OpenID IsSameUser comparison logic, which allows an attacker to take over arbitrary user accounts via an overly permissive substring matching flaw in the user...

PT-2026-28529

Name of the Vulnerable Software and Affected Versions OpenBao versions prior to 2.5.2 Description A flaw in the JWT/OIDC authentication method occurs when a role is configured with the callback mode variable set to direct. In this configuration, the system fails to prompt for user confirmation...

PT-2026-28530

Name of the Vulnerable Software and Affected Versions OpenBao versions prior to 2.5.2 Description OpenBao, an open source identity-based secrets management system, is susceptible to Reflected Cross-Site Scripting XSS through the error description parameter during failed authentication attempts wh...

Vikjuna Bypasses Webhook SSRF Protections During OpenID Connect Avatar Download

The DownloadImage function in pkg/utils/avatar.go uses a bare http.Client with no SSRF protection when downloading user avatar images from the OpenID Connect picture claim URL. An attacker who controls their OIDC profile picture URL can force the Vikunja server to make HTTP GET requests to...

Vikunja Allows Disabled/Locked User Accounts to Authenticate via API Tokens, CalDAV, and OpenID Connect

When a user account is disabled or locked, the status check is only enforced on the local login and JWT token refresh paths. Three other authentication paths — API tokens, CalDAV basic auth, and OpenID Connect — do not verify user status, allowing disabled or locked users to continue accessing th...

CVE-2026-33322

MinIO is a high-performance object storage system. From RELEASE.2022-11-08T05-27-07Z to before RELEASE.2026-03-17T21-25-16Z, a JWT algorithm confusion vulnerability in MinIO's OpenID Connect authentication allows an attacker who knows the OIDC ClientSecret to forge arbitrary identity tokens and...

CVE-2026-33322 MinIO: JWT Algorithm Confusion in OIDC Authentication

MinIO is a high-performance object storage system. From RELEASE.2022-11-08T05-27-07Z to before RELEASE.2026-03-17T21-25-16Z, a JWT algorithm confusion vulnerability in MinIO's OpenID Connect authentication allows an attacker who knows the OIDC ClientSecret to forge arbitrary identity tokens and...

CVE-2026-33322 MinIO: JWT Algorithm Confusion in OIDC Authentication

MinIO is a high-performance object storage system. From RELEASE.2022-11-08T05-27-07Z to before RELEASE.2026-03-17T21-25-16Z, a JWT algorithm confusion vulnerability in MinIO's OpenID Connect authentication allows an attacker who knows the OIDC ClientSecret to forge arbitrary identity tokens and...

CVE-2026-33322

MinIO is a high-performance object storage system. From RELEASE.2022-11-08T05-27-07Z to before RELEASE.2026-03-17T21-25-16Z, a JWT algorithm confusion vulnerability in MinIO's OpenID Connect authentication allows an attacker who knows the OIDC ClientSecret to forge arbitrary identity tokens and...

CVE-2026-33679

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the DownloadImage function in pkg/utils/avatar.go uses a bare http.Client with no SSRF protection when downloading user avatar images from the OpenID Connect picture claim URL. An attacker who controls their...

CVE-2026-33679 Vikunja has SSRF via OpenID Connect Avatar Download that Bypasses Webhook SSRF Protections

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the DownloadImage function in pkg/utils/avatar.go uses a bare http.Client with no SSRF protection when downloading user avatar images from the OpenID Connect picture claim URL. An attacker who controls their...

CVE-2026-33679

Vikunja Open Source (self-hosted task manager) contains an SSRF vulnerability in the avatar download path. Before version 2.2.1, DownloadImage (pkg/utils/avatar.go) uses a bare http.Client with no SSRF protection when fetching the user’s OpenID Connect picture URL, enabling an attacker-controlled...

CVE-2026-33679 Vikunja has SSRF via OpenID Connect Avatar Download that Bypasses Webhook SSRF Protections

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the DownloadImage function in pkg/utils/avatar.go uses a bare http.Client with no SSRF protection when downloading user avatar images from the OpenID Connect picture claim URL. An attacker who controls their...

CVE-2026-33679

Vikunja is an open-source self-hosted task management platform. Prior to version 2.2.1, the DownloadImage function in pkg/utils/avatar.go uses a bare http.Client with no SSRF protection when downloading user avatar images from the OpenID Connect picture claim URL. An attacker who controls their...

CVE-2026-33668 Vikunja Allows Disabled/Locked User Accounts to Authenticate via API Tokens, CalDAV, and OpenID Connect

Vikunja is an open-source self-hosted task management platform. Starting in version 0.18.0 and prior to version 2.2.1, when a user account is disabled or locked, the status check is only enforced on the local login and JWT token refresh paths. Three other authentication paths — API tokens, CalDAV...

CVE-2026-33668

Vikunja is an open-source self-hosted task management platform. Starting in version 0.18.0 and prior to version 2.2.1, when a user account is disabled or locked, the status check is only enforced on the local login and JWT token refresh paths. Three other authentication paths — API tokens, CalDAV...

CVE-2026-33668

Vikunja vulnerability (CVE-2026-33668) affects versions prior to 2.2.1. When a user is disabled or locked, status checks are enforced only on local login and JWT refresh paths; API tokens, CalDAV basic auth, and OpenID Connect do not verify user status, allowing disabled/locked users to continue ...

CVE-2026-33668 Vikunja Allows Disabled/Locked User Accounts to Authenticate via API Tokens, CalDAV, and OpenID Connect

Vikunja is an open-source self-hosted task management platform. Starting in version 0.18.0 and prior to version 2.2.1, when a user account is disabled or locked, the status check is only enforced on the local login and JWT token refresh paths. Three other authentication paths — API tokens, CalDAV...

CVE-2026-33668 Vikunja Allows Disabled/Locked User Accounts to Authenticate via API Tokens, CalDAV, and OpenID Connect

Vikunja is an open-source self-hosted task management platform. Starting in version 0.18.0 and prior to version 2.2.1, when a user account is disabled or locked, the status check is only enforced on the local login and JWT token refresh paths. Three other authentication paths — API tokens, CalDAV...