CVE-2026-6342 Group prefix matching bypass for subscriptions

Mattermost Plugins versions =11.5 11.1.5 10.13.11 11.3.4.0 fail to appropriately check for valid namespaces which allows plugin users to create subscriptions to groups that were not whitelisted via creating groups that share the same prefix as a whitelisted group. Mattermost Advisory ID:...

CVE-2026-6342

Mattermost plugins vulnerable to a namespace prefix-matching bypass. Affected: Mattermost Plugins versions

CVE-2026-6342

Mattermost Plugins versions =11.5 11.1.5 10.13.11 11.3.4.0 fail to appropriately check for valid namespaces which allows plugin users to create subscriptions to groups that were not whitelisted via creating groups that share the same prefix as a whitelisted group. Mattermost Advisory ID:...

EUVD-2026-30745

Mattermost Plugins versions =11.5 11.1.5 10.13.11 11.3.4.0 fail to appropriately check for valid namespaces which allows plugin users to create subscriptions to groups that were not whitelisted via creating groups that share the same prefix as a whitelisted group. Mattermost Advisory ID:...

BIT-GITLAB-2026-4527 Cross-Site Request Forgery (CSRF) in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to create unauthorized Jira subscriptions for a targeted user's namespace via a specially crafted link due...

Improper Access Control

github.com/free5gc/udr is vulnerable to Improper Access Control. The vulnerability is due to improper request handling in the Traffic Influence Subscription deletion endpoint, which allows an attacker to bypass validation and delete arbitrary subscriptions despite receiving a misleading 404...

CVE-2026-4527

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to create unauthorized Jira subscriptions for a targeted user's namespace via a specially crafted link due...

CVE-2026-4527

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to create unauthorized Jira subscriptions for a targeted user's namespace via a specially crafted link due...

UBUNTU-CVE-2026-4527

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to create unauthorized Jira subscriptions for a targeted user's namespace via a specially crafted link due...

CVE-2026-4527

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to create unauthorized Jira subscriptions for a targeted user's namespace via a specially crafted link due...

CVE-2026-4527 Cross-Site Request Forgery (CSRF) in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to create unauthorized Jira subscriptions for a targeted user's namespace via a specially crafted link due...

EUVD-2026-30230

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to create unauthorized Jira subscriptions for a targeted user's namespace via a specially crafted link due...

CVE-2026-4527 Cross-Site Request Forgery (CSRF) in GitLab

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 11.10 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an unauthenticated user to create unauthorized Jira subscriptions for a targeted user's namespace via a specially crafted link due...

CVE-2026-4527

GitLab CI/CD CSRF vulnerability CVE-2026-4527 affects GitLab CE/EE across all versions 11.10–18.{/* placeholder */} 18.9.7, all 18.10 before 18.10.6, and 18.11 before 18.11.3. Root cause is missing CSRF protection that could allow an unauthenticated user to create unauthorized Jira subscriptions ...

PT-2026-40867

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 11.10 through 18.9.6 GitLab CE/EE versions 18.10 through 18.10.5 GitLab CE/EE versions 18.11 through 18.11.2 Description Missing Cross-Site Request Forgery CSRF protection—a flaw where an attacker tricks a victim into...

GitLab Enterprise Edition（EE）和GitLab Community Edition（CE） 跨站请求伪造漏洞

GitLab Enterprise Edition EE and GitLab Community Edition CE are products of the American company GitLab. GitLab Enterprise Edition is a content management system. GitLab Community Edition is a community version of GitLab. Versions of GitLab CE/EE from 11.10 to 18.9.7, from 18.10 to 18.10.6, and...

Gitlab -- vulnerabilities

Gitlab reports: Cross-site Scripting issue in Analytics dashboard chart rendering impacts GitLab EE Cross-site Scripting issue in global search impacts GitLab CE/EE Cross-site Scripting issue in Duo Agent output rendering impacts GitLab EE Cross-site Scripting issue in Analytics Dashboard impacts...

CVE-2026-43890

Outline is a service that allows for collaborative documentation. From 0.84.0 to 1.7.0, the subscriptions.create API endpoint in server/routes/api/subscriptions/subscriptions.ts exhibits a broken authorization pattern. When both collectionId and documentId are supplied in the request, the route...

CVE-2026-43890 Outline: IDOR in subscriptions.create allows cross-tenant subscription on private documents (sibling of GHSA-23jj-rp48-w7q7)

Outline is a service that allows for collaborative documentation. From 0.84.0 to 1.7.0, the subscriptions.create API endpoint in server/routes/api/subscriptions/subscriptions.ts exhibits a broken authorization pattern. When both collectionId and documentId are supplied in the request, the route...

EUVD-2026-29334

Outline is a service that allows for collaborative documentation. From 0.84.0 to 1.7.0, the subscriptions.create API endpoint in server/routes/api/subscriptions/subscriptions.ts exhibits a broken authorization pattern. When both collectionId and documentId are supplied in the request, the route...