CVE-2022-26138The 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 p…
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It affects Atlassian Questions For Confluence. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Jul 29, 2022; federal agencies had to remediate by Aug 19, 2022. Treat that date as your deadline.
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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.
- CVSS
- 9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-798
- Known exploited
- Added to CISA KEV Jul 29, 2022; federal remediation due Aug 19, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 98.24% (percentile 100)
- Assigned by
- atlassian
- NVD analysis
- Analyzed
- Record last updated
- Jan 12, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Atlassian Questions For Confluence atlassian:questions_for_confluence (from the name) | 2.7.34; 2.7.35; 3.0.2 | CNA record |
atlassian questions_for_confluence atlassian:questions_for_confluence | 2.7.34; 2.7.35; 3.0.2 | NVD |
References
- https://jira.atlassian.com/browse/CONFSERVER-79483x-refsource-misc, issue-tracking, patch, vendor-advisory
- https://confluence.atlassian.com/doc/confluence-security-advisory-2022-07-20-1142446709.htmlx-refsource-misc, vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26138us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.