CVE-2022-26138
The Atlassian Questions For Confluence app for Confluence Server and Data Center creates a Confluence user account in the confluence-users group with the username disabledsystemuser and a hardcoded password. A remote, unauthenticated attacker with knowledge of the hardcoded password could exploit this to log into Confluence and access all content accessible to users in the confluence-users group. This user account is created when installing versions 2.7.34, 2.7.35, and 3.0.2 of the app.
- Score
- CVSS 3.1 9.8 Critical
- Status
- Analyzed - security@atlassian.com
- Published
- 2022-07-20
- Last modified
- 2026-01-12
- Known exploited (CISA KEV)
- since 2022-07-29, action due 2022-08-19: Apply updates per vendor instructions.
- Weaknesses
- CWE-798
Affected products
References
- https://confluence.atlassian.com/doc/confluence-security-advisory-2022-07-20-1142446709.html
- https://jira.atlassian.com/browse/CONFSERVER-79483
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26138
