CVE-2022-26138
Atlassian Questions For Confluence App Hard-coded Credentials Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
Required action
Apply updates per vendor instructions.
CISA notes
https://confluence.atlassian.com/doc/questions-for-confluence-security-advisory-2022-07-20-1142446709.html; https://nvd.nist.gov/vuln/detail/CVE-2022-26138
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.
Severity
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation Context
as of October 17, 2026- CISA added CVE-2022-26138 to the KEV catalog 9 days after its CVE record was published.
- It is one of 13 Atlassian entries in the CISA KEV catalog, and one of 5 added in 2022.
- Its current EPSS score (98.2%) is higher than that of 84% of CISA KEV entries.
Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| Atlassian | Atlassian Questions For Confluence | 2.7.34 2.7.35 3.0.2 |
References
2 LinksRecord Details
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Related
Tool categories
CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.