CVE-2022-26138: Atlassian Questions For Confluence App Hard-coded Credentials Vulnerability

CISA Known Exploited Vulnerabilities

Name

Atlassian Questions For Confluence App Hard-coded Credentials Vulnerability

Vendor

Atlassian

Product

Confluence

Added to the catalog

2022-07-29

Due date for US federal agencies

2022-08-19

Weaknesses

CWE-798

Catalog version

2026.10.30

Atlassian Questions For Confluence App has hard-coded credentials, exposing the username and password in plaintext. A remote unauthenticated attacker can use these credentials to log into Confluence and access all content accessible to users in the confluence-users group.

Required action (CISA)

Apply updates per vendor instructions.

Ransomware use: CISA does not mark known use of this vulnerability in ransomware campaigns.

Links in CISA's 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

Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

NVD analysis

Status

Analyzed

Published

2022-07-20T18:15:08.617

Last modified

2026-06-17T04:34:46.187

Weaknesses

CWE-798

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.

References

• https://confluence.atlassian.com/doc/confluence-security-advisory-2022-07-20-1142446709.html (Vendor Advisory)
• https://jira.atlassian.com/browse/CONFSERVER-79483 (Issue Tracking, Patch, Vendor Advisory)
• https://confluence.atlassian.com/doc/confluence-security-advisory-2022-07-20-1142446709.html (Vendor Advisory)
• https://jira.atlassian.com/browse/CONFSERVER-79483 (Issue Tracking, Patch, Vendor Advisory)
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26138 (US Government Resource)

This product uses the NVD API but is not endorsed or certified by the NVD.

Read on 2026-11-02T23:41:59.479Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2022-26138

CVE record

Assigner

atlassian

State

PUBLISHED

Published

2022-07-20T17:25:26.913Z

Updated

2026-01-12T21:22:06.527Z

Problem types

Use of Hard-coded Credentials (CWE-798)

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.

References

• https://jira.atlassian.com/browse/CONFSERVER-79483
• https://confluence.atlassian.com/doc/confluence-security-advisory-2022-07-20-1142446709.html

Read on 2026-11-03T02:00:26.047Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2022/26xxx/CVE-2022-26138.json

Defensive techniques (MITRE D3FEND)

D3FEND maps these defensive techniques to the weakness (CWE) that NVD lists for this CVE, through the digital artifacts the weakness affects. D3FEND does not say they stop this vulnerability.

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