CVE-2022-26138

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
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
Configurations

Configuration 1 (hide)

AND
OR cpe:2.3:a:atlassian:questions_for_confluence:2.7.34:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:questions_for_confluence:2.7.35:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:questions_for_confluence:3.0.2:*:*:*:*:*:*:*
OR cpe:2.3:a:atlassian:confluence_data_center:-:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:confluence_server:-:*:*:*:*:*:*:*
History

24 Oct 2025, 13:38

Type Values Removed Values Added
References () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26138 - () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26138 - US Government Resource

22 Oct 2025, 00:18

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26138 -

21 Oct 2025, 20:19

Type Values Removed Values Added
References
  • {'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26138', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}

21 Oct 2025, 19:19

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26138 -

21 Nov 2024, 06:53

Type Values Removed Values Added
References () https://confluence.atlassian.com/doc/confluence-security-advisory-2022-07-20-1142446709.html - Vendor Advisory () https://confluence.atlassian.com/doc/confluence-security-advisory-2022-07-20-1142446709.html - Vendor Advisory
References () https://jira.atlassian.com/browse/CONFSERVER-79483 - Issue Tracking, Patch, Vendor Advisory () https://jira.atlassian.com/browse/CONFSERVER-79483 - Issue Tracking, Patch, Vendor Advisory

04 Aug 2022, 14:13

Type Values Removed Values Added
References (MISC) https://jira.atlassian.com/browse/CONFSERVER-79483 - (MISC) https://jira.atlassian.com/browse/CONFSERVER-79483 - Issue Tracking, Patch, Vendor Advisory
References (MISC) https://confluence.atlassian.com/doc/confluence-security-advisory-2022-07-20-1142446709.html - (MISC) https://confluence.atlassian.com/doc/confluence-security-advisory-2022-07-20-1142446709.html - Vendor Advisory
CWE CWE-798
CPE cpe:2.3:a:atlassian:questions_for_confluence:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:questions_for_confluence:2.7.35:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:confluence_data_center:-:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:questions_for_confluence:2.7.34:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:confluence_server:-:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.8

20 Jul 2022, 18:15

Type Values Removed Values Added
New CVE
Information

Published : 2022-07-20 18:15

Updated : 2025-10-24 13:38

NVD link : CVE-2022-26138

Mitre link : CVE-2022-26138

CVE.ORG link : CVE-2022-26138

JSON object : View

Products Affected

atlassian

  • questions_for_confluence
  • confluence_server
  • confluence_data_center
CWE
CWE-798

Use of Hard-coded Credentials