Product:
SSO Plugin for Jira & Confluence
Summary
Incorrect implementation of authentication algorithm in Microsoft SSO Plugin for Jira and Confluence allows an unauthorized attacker to elevate privileges over a network. This vulnerability poses a significant risk due to its high confidentiality and integrity impact. Attackers can exploit this flaw without needing any privileges or user interaction.
Details
| Severity | Base Score | CVE |
|---|---|---|
| CRITICAL | 9.1 | CVE-2026-41103 |
Exploitation
To exploit this vulnerability, an attacker can send specially crafted requests over the network to the affected SSO Plugin. By leveraging the incorrect authentication implementation, the attacker can gain unauthorized access and elevate their privileges, potentially compromising sensitive data and system integrity.
Affected Products
- SSO Plugin for Jira: Vulnerable to unauthorized privilege escalation due to flawed authentication.
- SSO Plugin for Confluence: Similar vulnerability allowing attackers to elevate privileges without proper authentication.
Mitigation
To mitigate this vulnerability, users should immediately apply the latest security updates provided by Microsoft. It is also recommended to review access controls and monitor for any unauthorized access attempts. Regularly updating software and implementing strong authentication measures can help prevent exploitation.