GHSA-JQGV-39MG-7C2R Mattermost doesn't authenticate Atlassian Connect installed callbacks, allowing a remote unauthenticated attacker to inject a rogue sharedSecret

Mattermost versions 11.7.x = 11.7.0, 11.6.x = 11.6.2, 11.5.x = 11.5.5, 10.11.x = 10.11.17 fail to authenticate Atlassian Connect installed callbacks, allowing a remote unauthenticated attacker to inject a rogue sharedSecret and disrupt the Jira integration via POST to /ac/installed during the...

Mattermost doesn't authenticate Atlassian Connect installed callbacks, allowing a remote unauthenticated attacker to inject a rogue sharedSecret

Mattermost versions 11.7.x = 11.7.0, 11.6.x = 11.6.2, 11.5.x = 11.5.5, 10.11.x = 10.11.17 fail to authenticate Atlassian Connect installed callbacks, allowing a remote unauthenticated attacker to inject a rogue sharedSecret and disrupt the Jira integration via POST to /ac/installed during the...

CVE-2026-6673

Mattermost versions 11.7.x = 11.7.0, 11.6.x = 11.6.2, 11.5.x = 11.5.5, 10.11.x = 10.11.17 fail to authenticate Atlassian Connect installed callbacks, allowing a remote unauthenticated attacker to inject a rogue sharedSecret and disrupt the Jira integration via POST to /ac/installed during the...

EUVD-2026-38249

Mattermost versions 11.7.x = 11.7.0, 11.6.x = 11.6.2, 11.5.x = 11.5.5, 10.11.x = 10.11.17 fail to authenticate Atlassian Connect installed callbacks, allowing a remote unauthenticated attacker to inject a rogue sharedSecret and disrupt the Jira integration via POST to /ac/installed during the...

CVE-2026-6673 Mattermost Jira plugin had unauthenticated {{/ac/installed}} lifecycle callback during pending Jira Cloud install

Mattermost versions 11.7.x = 11.7.0, 11.6.x = 11.6.2, 11.5.x = 11.5.5, 10.11.x = 10.11.17 fail to authenticate Atlassian Connect installed callbacks, allowing a remote unauthenticated attacker to inject a rogue sharedSecret and disrupt the Jira integration via POST to /ac/installed during the...

CVE-2026-6673: Missing Authentication for Critical Function

Mattermost versions 11.7.x = 11.7.0, 11.6.x = 11.6.2, 11.5.x = 11.5.5, 10.11.x = 10.11.17 fail to authenticate Atlassian Connect installed callbacks, allowing a remote unauthenticated attacker to inject a rogue sharedSecret and disrupt the Jira integration via POST to /ac/installed during the...

PT-2026-51316

Name of the Vulnerable Software and Affected Versions Mattermost version 11.7.0 Mattermost version 11.6.2 Mattermost version 11.5.5 Mattermost version 10.11.17 Description Remote unauthenticated attackers can inject a rogue sharedSecret and disrupt the Jira integration. This occurs during the...

EUVD-2021-1047

Malware in sbrugna...

EUVD-2021-1244

Malware in sbrugna...

EUVD-2021-12896

Malware in sbrugna...

The vulnerability of the development environment for web applications in Atlassian Connect Spring Boot, related to authentication procedures that allow attackers to bypass the authentication process

The vulnerability of the development environment for web applications built with Atlassian Connect Spring Boot is related to deficiencies in the authentication process. Exploiting this vulnerability allows a malicious actor to bypass the authentication process...

Broken Authentication in Atlassian Connect Express

Broken Authentication in Atlassian Connect Express ACE from version 3.0.2 before version 6.6.0: Atlassian Connect Express is a Node.js package for building Atlassian Connect apps. Authentication between Atlassian products and the Atlassian Connect Express app occurs with a server-to-server JWT or...

@nexus-switchboard/nexus-conn-jira (>=0.1.0, <=0.2.2), @nexus-switchboard/nexus-mod-service (>=0.4.1, <=0.6.3) +1 more potentially affected by CVE-2021-26073 via atlassian-connect-express (>=3.5.2, <=4.4.1)

atlassian-connect-express NPM version =3.5.2, =0.1.0, =0.4.1, =0.0.1, =2.0.5 Source cves: CVE-2021-26073 Source advisory: OSV:GHSA-4V96-M8XV-X83V...

Improper Authentication in Atlassian Connect Spring Boot

Broken Authentication in Atlassian Connect Spring Boot ACSB in version 1.1.0 before 2.1.3 and from version 2.1.4 before 2.1.5: Atlassian Connect Spring Boot is a Java Spring Boot package for building Atlassian Connect apps. Authentication between Atlassian products and the Atlassian Connect Sprin...

GHSA-2X7V-W2MV-F3RX Improper Authentication in Atlassian Connect Spring Boot

Broken Authentication in Atlassian Connect Spring Boot ACSB in version 1.1.0 before 2.1.3 and from version 2.1.4 before 2.1.5: Atlassian Connect Spring Boot is a Java Spring Boot package for building Atlassian Connect apps. Authentication between Atlassian products and the Atlassian Connect Sprin...

FreeBSD : Gitlab -- Multiple Vulnerabilities (5f52d646-c31f-11eb-8dcf-001b217b3468)

Gitlab reports : Stealing GitLab OAuth access tokens using XSLeaks in Safari Denial of service through recursive triggered pipelines Unauthenticated CI lint API may lead to information disclosure and SSRF Server-side DoS through rendering crafted Markdown documents Issue and merge request length...

Gitlab -- Multiple Vulnerabilities

Gitlab reports: Stealing GitLab OAuth access tokens using XSLeaks in Safari Denial of service through recursive triggered pipelines Unauthenticated CI lint API may lead to information disclosure and SSRF Server-side DoS through rendering crafted Markdown documents Issue and merge request length...

Atlassian Connect Spring Boot Authorization Issues Vulnerability

Atlassian Connect Spring Boot is an application component from Atlassian Australia. A Spring Boot starter program is provided for building Atlassian Connect add-ons for JIRA Software, Service Desk and Core and Confluence. An authorization issue vulnerability exists in Atlassian Connect Spring Boo...

CVE-2021-26077

Broken Authentication in Atlassian Connect Spring Boot ACSB in version 1.1.0 before 2.1.3 and from version 2.1.4 before 2.1.5: Atlassian Connect Spring Boot is a Java Spring Boot package for building Atlassian Connect apps. Authentication between Atlassian products and the Atlassian Connect Sprin...

CVE-2021-26077

Broken Authentication in Atlassian Connect Spring Boot ACSB in version 1.1.0 before 2.1.3 and from version 2.1.4 before 2.1.5: Atlassian Connect Spring Boot is a Java Spring Boot package for building Atlassian Connect apps. Authentication between Atlassian products and the Atlassian Connect Sprin...