Mattermost Server 10.11.x <= 10.11.9 / 11.1.x <= 11.1.2 / 11.2.x <= 11.2.1 Improper Access Control (MMSA-2025-00550)

The version of Mattermost Server installed on the remote host is affected by a vulnerability as referenced in the MMSA-2025-00550 advisory. - Mattermost versions 10.11.x = 10.11.9, 11.1.x = 11.1.2, and 11.2.x = 11.2.1 fail to properly validate channel permissions when using the Jira plugin. This...

Important: Red Hat Security Advisory: Red Hat Ceph Storage 7.1 security and bug fix updates

An update is now available for Red Hat Ceph Storage 7.1. Red Hat Ceph Storage is a scalable, open, software-defined storage platform that combines the most stable version of the Ceph storage system with a Ceph management platform, deployment utilities, and support services. These new packages...

Spam Campaign Abuses Atlassian Jira, Targets Government and Corporate Entities

We uncover how a campaign used Atlassian Jira Cloud to launch automated and targeted spam campaigns, exploiting trusted SaaS workflows to bypass security controls...

RHEL 8 / 9 : Red Hat Ceph Storage 7.1 (RHSA-2026:2769)

The remote Redhat Enterprise Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:2769 advisory. Red Hat Ceph Storage is a scalable, open, software-defined storage platform that combines the most stable version of the Ceph storage...

RHEL 9 : Red Hat Ceph Storage 8.1 (RHSA-2026:2711)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:2711 advisory. Red Hat Ceph Storage is a scalable, open, software-defined storage platform that combines the most stable version of the Ceph storage system...

CVE-2026-22892

Mattermost versions 11.1.x = 11.1.2, 10.11.x = 10.11.9, 11.2.x = 11.2.1 fail to validate user permissions when creating Jira issues from Mattermost posts, which allows an authenticated attacker with access to the Jira plugin to read post content and attachments from channels they do not have acce...

GHSA-9PJ7-JH2R-87G8 Mattermost doesn't validate user permissions when creating Jira issues from Mattermost posts

Mattermost versions 11.1.x = 11.1.2, 10.11.x = 10.11.9, 11.2.x = 11.2.1 fail to validate user permissions when creating Jira issues from Mattermost posts, which allows an authenticated attacker with access to the Jira plugin to read post content and attachments from channels they do not have acce...

Mattermost doesn't validate user permissions when creating Jira issues from Mattermost posts

Mattermost versions 11.1.x = 11.1.2, 10.11.x = 10.11.9, 11.2.x = 11.2.1 fail to validate user permissions when creating Jira issues from Mattermost posts, which allows an authenticated attacker with access to the Jira plugin to read post content and attachments from channels they do not have acce...

CVE-2026-22892

Mattermost versions 11.1.x = 11.1.2, 10.11.x = 10.11.9, 11.2.x = 11.2.1 fail to validate user permissions when creating Jira issues from Mattermost posts, which allows an authenticated attacker with access to the Jira plugin to read post content and attachments from channels they do not have acce...

CVE-2026-22892 Insufficient Authorization in Mattermost Jira Plugin Allows Unauthorized Access to Post Attachments

Mattermost versions 11.1.x = 11.1.2, 10.11.x = 10.11.9, 11.2.x = 11.2.1 fail to validate user permissions when creating Jira issues from Mattermost posts, which allows an authenticated attacker with access to the Jira plugin to read post content and attachments from channels they do not have acce...

CVE-2026-22892

Mattermost versions 11.1.x = 11.1.2, 10.11.x = 10.11.9, 11.2.x = 11.2.1 fail to validate user permissions when creating Jira issues from Mattermost posts, which allows an authenticated attacker with access to the Jira plugin to read post content and attachments from channels they do not have acce...

CVE-2026-22892 Insufficient Authorization in Mattermost Jira Plugin Allows Unauthorized Access to Post Attachments

Mattermost versions 11.1.x = 11.1.2, 10.11.x = 10.11.9, 11.2.x = 11.2.1 fail to validate user permissions when creating Jira issues from Mattermost posts, which allows an authenticated attacker with access to the Jira plugin to read post content and attachments from channels they do not have acce...

CVE-2026-22892 Insufficient Authorization in Mattermost Jira Plugin Allows Unauthorized Access to Post Attachments

Mattermost versions 11.1.x = 11.1.2, 10.11.x = 10.11.9, 11.2.x = 11.2.1 fail to validate user permissions when creating Jira issues from Mattermost posts, which allows an authenticated attacker with access to the Jira plugin to read post content and attachments from channels they do not have acce...

CVE-2026-22892

Mattermost versions 11.1.x up to 11.1.2, 10.11.x up to 10.11.9, and 11.2.x up to 11.2.1 fail to validate user permissions when creating Jira issues from Mattermost posts. An authenticated attacker with access to the Jira plugin can read post content and attachments from channels they do not have ...

Mattermost 安全漏洞

Mattermost is an open-source collaboration platform developed by the American company Mattermost. Vulnerabilities exist in Mattermost versions 11.1.2 and earlier of the 11.1.x series, as well as versions 10.11.9 and earlier of the 10.11.x series, and 11.2.1 and earlier of the 11.2.x series. These...

PT-2026-7985

Name of the Vulnerable Software and Affected Versions Mattermost versions 10.11.x through 10.11.9 Mattermost versions 11.1.x through 11.1.2 Mattermost versions 11.2.x through 11.2.1 Description The software does not properly validate user permissions when creating Jira issues from Mattermost post...

Atlassian Jira Service Management Data Center and Server 5.12.0 < 5.12.26 / 5.13.x < 10.3.16 (JSDSERVER-16499)

The version of Atlassian Jira Service Management Data Center and Server Jira Service Desk running on the remote host is affected by a vulnerability as referenced in the JSDSERVER-16499 advisory. - Concurrent Execution using Shared Resource with Improper Synchronization 'Race Condition'...

DoS (Denial of Service) ua-parser-js Dependency in Jira Service Management Data Center and Server

This High severity DoS Denial of Service vulnerability known as CVE-2022-25927 was introduced in versions 5.17.2, 10.0.0, 10.1.1, 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, and 11.0.0 of Jira Service Management Data Center and Server. This DoS Denial of Service vulnerability, with a CVSS Sco...

DoS (Denial of Service) semver Dependency in Jira Software Data Center and Server

This High severity DoS Denial of Service vulnerability known as CVE-2022-25883 was introduced in versions 11.3.0 and 11.3.1 of Jira Software Data Center and Server. This DoS Denial of Service vulnerability, with a CVSS Score of 7.5 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H...

DoS (Denial of Service) ua-parser-js Dependency in Jira Software Data Center

This High severity DoS Denial of Service vulnerability known as CVE-2022-25927 was introduced in versions 9.17.2, 10.0.0, 10.1.1, 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, and 11.0.0 of Jira Software Data Center and Server. This DoS Denial of Service vulnerability, with a CVSS Score of 7.5...