CVE-2026-4208

CVE-2026-4208 describes a vulnerability where an extension fails to reset the generated MFA code after a successful login, enabling an MFA bypass for subsequent login attempts by providing an empty string to the extension’s MFA provider. The description does not specify affected products, version...

CVE-2026-4208 Authentication Bypass in extension "E-Mail MFA Provider" (mfa_email)

The extension fails to properly reset the generated MFA code after successful authentication. This leads to a possible MFA bypass for future login attempts by providing an empty string as MFA code to the extensions MFA provider...

CVE-2026-4208 Authentication Bypass in extension "E-Mail MFA Provider" (mfa_email)

The extension fails to properly reset the generated MFA code after successful authentication. This leads to a possible MFA bypass for future login attempts by providing an empty string as MFA code to the extensions MFA provider...

EUVD-2026-12522

A DTrace component, dtprobed, allows arbitrary file creation through crafted USDT provider names...

CVE-2026-21991

A DTrace component, dtprobed, allows arbitrary file creation through crafted USDT provider names...

DEBIAN-CVE-2026-21991

A DTrace component, dtprobed, allows arbitrary file creation through crafted USDT provider names...

CVE-2026-21991

The CVE-2026-21991 issue affects the DTrace component dtprobed, specifically its handling of USDT probes, enabling arbitrary file creation through crafted provider names. Multiple connected advisories confirm dtprobed as the vulnerable element and describe the risk of code execution as a worst-ca...

CVE-2026-21991

A DTrace component, dtprobed, allows arbitrary file creation through crafted USDT provider names...

CVE-2026-21991

A DTrace component, dtprobed, allows arbitrary file creation through crafted USDT provider names...

Incorrect Authorization

Overview github.com/mattermost/mattermost/server/channels/app is a private-cloud Slack alternative Affected versions of this package are vulnerable to Incorrect Authorization in the authentication process. An attacker can change another user's account password without confirmation by falsely...

EUVD-2026-12439

Mattermost versions 10.11.x = 10.11.10 fail to validate user's authentication method when processing account auth type switch which allows an authenticated attacker to change account password without confirmation via falsely claiming a different auth provider.. Mattermost Advisory ID:...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization in the authentication process. An attacker can change another user's account password without confirmation by falsely claiming a different authentication provider. Remediation Upgrade...

CVE-2026-22545 Password Change Bypass via Auth Switch Endpoint

Mattermost versions 10.11.x = 10.11.10 fail to validate user's authentication method when processing account auth type switch which allows an authenticated attacker to change account password without confirmation via falsely claiming a different auth provider.. Mattermost Advisory ID:...

Improper Authentication

ZITADEL is vulnerable to Improper Authentication. The vulnerability is due to improper enforcement of organization login policies during the federation auto-linking process, which allows an attacker to authenticate through a disabled identity provider and link their external identity to an existi...

BIT-PARSE-2026-32242 Parse Server OAuth2 adapter shares mutable state across providers via singleton instance

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0 and 8.6.37, Parse Server's built-in OAuth2 auth adapter exports a singleton instance that is reused directly across all OAuth2 provider configurations. Under concurrent...

Mattermost 安全漏洞

Mattermost is an open-source collaboration platform developed by the American company Mattermost. Versions of Mattermost such as 10.11.10 and earlier, including 10.11.x, have security vulnerabilities. These vulnerabilities stem from insufficient verification of the user’s authentication method wh...

PT-2026-25827

A DTrace component, dtprobed, allows arbitrary file creation through crafted USDT provider names...

CVE-2026-31944

LibreChat is a ChatGPT clone with additional features. From 0.8.2 to 0.8.2-rc3, The MCP Model Context Protocol OAuth callback endpoint accepts the redirect from the identity provider and stores OAuth tokens for the user who initiated the flow, without verifying that the browser hitting the redire...

CVE-2026-31944

LibreChat is a ChatGPT clone with additional features. From 0.8.2 to 0.8.2-rc3, The MCP Model Context Protocol OAuth callback endpoint accepts the redirect from the identity provider and stores OAuth tokens for the user who initiated the flow, without verifying that the browser hitting the redire...

postgresql: PostgreSQL pgcrypto heap buffer overflow executes arbitrary code

A heap based buffer overflow flaw has been discovered in PostgreSQL. This Heap buffer overflow is in the pgcrypto component and allows a ciphertext provider to execute arbitrary code as the operating system user running the database...