Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function in the POST /ac/installed process during the pending-install window. An attacker can inject a rogue sharedSecret and disrupt the integration by sending unauthenticated requests. Remediation...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function in the POST /ac/installed process during the pending-install window. An attacker can inject a rogue sharedSecret and disrupt the integration by sending unauthenticated requests. Remediation...

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...