CVE-2022-26138
Last modified
CVE-2022-26138 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. CISA has confirmed active exploitation in the wild. EPSS estimates a 98.17% chance of exploitation in the next 30 days.
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.
Metrics
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Atlassian | Questions For Confluence | 2.7.34 |
| Atlassian | Questions For Confluence | 2.7.35 |
| Atlassian | Questions For Confluence | 3.0.2 |
References
- https://jira.atlassian.com/browse/CONFSERVER-79483Issue Tracking, Patch, Vendor Advisory
- https://jira.atlassian.com/browse/CONFSERVER-79483Issue Tracking, Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26138US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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