What’s Vulnerable › Vulnerabilities
CVE-2022-26138: Atlassian Questions For Confluence App Hard-coded Credentials Vulnerability
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: yes — in CISA KEV since 2022-07-29
- EPSS: 98.2% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2022-07-20 · updated 2026-06-17
- Weakness: CWE-798
Description
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.
Affected products
- Atlassian Confluence Questions: 2.7.34, 2.7.35, 3.0.2
References
- https://confluence.atlassian.com/doc/confluence-security-advisory-2022-07-20-1142446709.html
- https://jira.atlassian.com/browse/CONFSERVER-79483
- 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
Get alerted when CVE-2022-26138 or the next vulnerability affects your stack