RHCOS 4 : OpenShift Container Platform 4.6.1 (RHSA-2020:4297)

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4297 advisory. - jenkins-jira-plugin: plugin information disclosure CVE-2019-16541 - jenkins-2-plugins/mailer: Missing hostname validation in Maile...

RHCOS 3 : OpenShift Container Platform 3.11 (RHSA-2020:3541)

The remote Red Hat Enterprise Linux CoreOS 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:3541 advisory. - jenkins-jira-plugin: plugin information disclosure CVE-2019-16541 - openshift-ansible: cors allowed origin allows changing url...

Improper Access Control

github.com/mattermost/mattermost-server is vulnerable to improper access control. The vulnerability is due to failure to validate user channel membership when attaching posts to Jira issues, which allows an authenticated attacker with Jira plugin access to read post content and attachments from...

Improper Verification

github.com/mattermost/mattermost-server is vulnerable to improper verification. The vulnerability is due to failure to validate that /share-issue-publicly post actions were created by the Jira plugin, which allows an attacker to exfiltrate Jira tickets by tricking victim users into interacting wi...

SUSE CVE-2025-13767

Mattermost versions 11.1.x = 11.1.0, 11.0.x = 11.0.5, 10.12.x = 10.12.3, 10.11.x = 10.11.7 fails to validate user channel membership when attaching Mattermost posts as comments to Jira issues, which allows an authenticated attacker with access to the Jira plugin to read post content and attachmen...

SUSE CVE-2025-64641

Mattermost versions 11.1.x = 11.1.0, 11.0.x = 11.0.5, 10.12.x = 10.12.3, 10.11.x = 10.11.7 fail to verify that post actions invoking /share-issue-publicly were created by the Jira plugin which allowed a malicious Mattermost user to exfiltrate Jira tickets when victim users interacted with affecte...

SUSE 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...

GO-2025-4260 Mattermost doesn't verify that post actions invoking `/share-issue-publicly` were created by the Jira plugin in github.com/mattermost/mattermost-server

Mattermost doesn't verify that post actions invoking /share-issue-publicly were created by the Jira plugin in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If...

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...

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

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

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 ...

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...

PT-2026-3781

Name of the Vulnerable Software and Affected Versions WorklogPRO - Timesheets for Jira versions prior to 4.23.6-jira10 WorklogPRO - Timesheets for Jira versions prior to 4.23.5-jira9 Description The WorklogPRO - Timesheets for Jira plugin contains a flaw that allows the injection of arbitrary HTM...

CVE-2025-57681

The WorklogPRO - Timesheets for Jira plugin in Jira Data Center before version 4.23.6-jira10 and before version 4.23.5-jira9 allows users and attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting XSS vulnerability. The vulnerability is exploited via a specially crafted paylo...

SUSE CVE-2025-14273

Mattermost versions 11.1.x = 11.1.0, 11.0.x = 11.0.5, 10.12.x = 10.12.3, 10.11.x = 10.11.7 with the Jira plugin enabled and Mattermost Jira plugin versions =4.4.0 fail to enforce authentication and issue-key path restrictions in the Jira plugin, which allows an unauthenticated attacker who knows ...

GO-2026-4275 Mattermost with Jira plugin enabled has Incorrect Implementation of Authentication Algorithm in github.com/mattermost/mattermost-plugin-jira

Mattermost with Jira plugin enabled has Incorrect Implementation of Authentication Algorithm in github.com/mattermost/mattermost-plugin-jira. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is...