Mattermost fails to properly validate OAuth state tokens during OpenID Connect authentication

Mattermost versions 10.12.x = 10.12.1, 10.11.x = 10.11.4, 10.5.x = 10.5.12, 11.0.x = 11.0.3 fail to properly validate OAuth state tokens during OpenID Connect authentication which allows an authenticated attacker with team creation privileges to take over a user account via manipulation of...

Incorrect Implementation of Authentication Algorithm

Overview github.com/mattermost/mattermost/server/channels/app is a private-cloud Slack alternative Affected versions of this package are vulnerable to Incorrect Implementation of Authentication Algorithm due to improper validation of OAuth state tokens during the OpenID Connect authentication...

CVE-2025-12419

Mattermost versions 10.12.x = 10.12.1, 10.11.x = 10.11.4, 10.5.x = 10.5.12, 11.0.x = 11.0.3 fail to properly validate OAuth state tokens during OpenID Connect authentication which allows an authenticated attacker with team creation privileges to take over a user account via manipulation of...

CVE-2025-12419 Account takeover on OAuth/OpenID-enabled servers

Mattermost versions 10.12.x = 10.12.1, 10.11.x = 10.11.4, 10.5.x = 10.5.12, 11.0.x = 11.0.3 fail to properly validate OAuth state tokens during OpenID Connect authentication which allows an authenticated attacker with team creation privileges to take over a user account via manipulation of...

CVE-2025-12419 Account takeover on OAuth/OpenID-enabled servers

Mattermost versions 10.12.x = 10.12.1, 10.11.x = 10.11.4, 10.5.x = 10.5.12, 11.0.x = 11.0.3 fail to properly validate OAuth state tokens during OpenID Connect authentication which allows an authenticated attacker with team creation privileges to take over a user account via manipulation of...

CVE-2025-12419

Mattermost contains an OAuth/OpenID Connect validation flaw where OAuth state tokens are not properly validated during authentication, enabling an authenticated attacker with team-creation privileges to take over a user account by manipulating data in the OAuth completion flow. The issue affects ...

ABB Ability Camera Connect

SUMMARY ABB is aware of public reports of vulnerabilities in a 3rd party component VLC media player Version 2.2.4 which was delivered together with the installation package of Camera Connect Version 1.5.0.14 and below. An update is available that resolves a privately reported outdated 3rd party...

CVE-2025-12419: Incorrect Implementation of Authentication Algorithm

Mattermost versions 10.12.x = 10.12.1, 10.11.x = 10.11.4, 10.5.x = 10.5.12, 11.0.x = 11.0.3 fail to properly validate OAuth state tokens during OpenID Connect authentication which allows an authenticated attacker with team creation privileges to take over a user account via manipulation of...

[SECURITY] [DSA 6063-1] kdeconnect security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6063-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff November 26, 2025 https://www.debian.org/security/faq -...

CVE-2025-12414

An attacker could take over a Looker account in a Looker instance configured with OIDC authentication, due to email address string normalization.Looker-hosted and Self-hosted were found to be vulnerable. This issue has already been mitigated for Looker-hosted. Self-hosted instances must be upgrad...

Security Bulletin: IBM App Connect Enterprise Certified Container DesignerAuthoring operands that use mapping assistance are vulnerable to denial of service [CVE-2025-54121]

Summary Python module starlette is used by IBM App Connect Enterprise Certified Container. IBM App Connect Enterprise Certified Container DesignerAuthoring operands that use mapping assistance are vulnerable to denial of service. This bulletin provides patch information to address the reported...

Security Bulletin: IBM App Connect Enterprise Certified Container operands are vulnerable to denial of service [CVE-2025-64118]

Summary Node.js module tar is used by IBM App Connect Enterprise Certified Container for handling archives files and data. IBM App Connect Enterprise Certified Container operands are vulnerable to denial of service. This bulletin provides patch information to address the reported vulnerability in...

Security Bulletin: IBM App Connect Enterprise Certified Container operands are vulnerable to denial of service [CVE-2025-48924]

Summary Apache Commons Lang is used by IBM App Connect Enterprise Certified Container. IBM App Connect Enterprise Certified Container DesignerAuthoring, IntegrationRuntime and IntegrationServer operands are vulnerable to denial of service. This bulletin provides patch information to address the...

Security Bulletin: IBM App Connect Enterprise Certified Container operands are vulnerable to URL validation bypass [CVE-2025-56200]

Summary node.js module validator is used by IBM App Connect Enterprise Certified Container for data validation. IBM App Connect Enterprise Certified Container DesignerAuthoring, IntegrationRuntime and IntegrationServer operands are vulnerable to URL validation bypass. This bulletin provides patch...

Security Bulletin: IBM App Connect Enterprise Certified Container operands are vulnerable to denial of service and code injection [CVE-2025-57350]

Summary Node.js module csvtojson is used by IBM App Connect Enterprise Certified Container for processing CSV data. IBM App Connect Enterprise Certified Container DesignerAuthoring, IntegrationRuntime and IntergrationServer operands are vulnerable to denial of service and code injection. This...

Security Bulletin: IBM App Connect Enterprise and IBM Integration Bus for z/OS are vulnerable to Uncontrolled Recursion due to Apache Commons Lang ( CVE-2025-48924 )

Summary IBM App Connect Enterprise runtime and IBM Integration Bus for z/OS are vulnerable to Uncontrolled Recursion due to Apache Commons Lang. Vulnerability Details CVEID:CVE-2025-48924 DESCRIPTION: Uncontrolled Recursion vulnerability in Apache Commons Lang. This issue affects Apache Commons...

Security Bulletin: IBM App Connect Enterprise is vulnerable to multiple vulnerabilities due to IBM Semeru Runtime (CVE-2025-53057 & CVE-2025-53066))

Summary IBM App Connect Enterprise is vulnerable to Improper Access Control and Exposure of Sensitive Information to an Unauthorized Actor due to IBM Semeru Runtime. Vulnerability Details CVEID:CVE-2025-53057 DESCRIPTION: An unspecified vulnerability in Java SE related to the Security component...

Security Bulletin: IBM App Connect Enterprise Certified Container operator and DesignerAuthoring operands are vulnerable to loss of integrity [CVE-2025-47907]

Summary IBM App Connect Enterprise Certified Container operator and DesignerAuthoring operands are vulnerable to loss of integrity due to a vulnerability in the Golang module database/sql. This bulletin provides patch information to address the reported vulnerability in database/sql. CVE-2025-479...

IBM DB2 DoS (7250479) (Windows)

According to its self-reported version number, IBM Db2 on Windows may be affected by a vulnerability: - IBM Db2 10.5.0 through 10.5.11, 11.1.0 through 11.1.4.7, 11.5.0 through 11.5.9, and 12.1.0 through 12.1.3 for Linux, UNIX and Windows includes Db2 Connect Server could allow an authenticated us...

OpenID Connect Authorization Data Compromise

The vulnerability of the tools for working with the OpenID Connect protocol is related to improper authentication. Exploiting this vulnerability can allow a malicious actor to compromise the confidentiality, integrity, and accessibility of the protected information...