# 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.

- Page: https://www.vulneraibility.com/cve/CVE-2022-26138
- CVSS: 9.8
- Known exploited: yes, in CISA KEV since 2022-07-29; CISA due date 2022-08-19
- EPSS: 98.24% (percentile 99.9)
- Unvetted proof-of-concept code on GitHub: 4 GitHub proofs of concept · 1 Nuclei template (first 2022-07-21)
- CISA SSVC: exploitation active, automatable yes, technical impact total (assessed 2025-01-28)
- Weakness: CWE-798
- Published: 2022-07-20

## Affected versions

- Atlassian Questions For Confluence: affected 2.7.34; 2.7.35; 3.0.2

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://jira.atlassian.com/browse/CONFSERVER-79483
- [other] https://confluence.atlassian.com/doc/confluence-security-advisory-2022-07-20-1142446709.html
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26138

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.