This High severity Information Disclosure vulnerability was introduced in versions 7.17.0, 7.19.0, 8.5.0, 8.9.0, 9.0.1, 9.1.0, 9.2.0, 10.0.2, 10.1.0, and 10.2.0 of Confluence Data Center.
This Information Disclosure vulnerability, with a CVSS Score of 8.2, allows an unauthenticated attacker to view sensitive information via an Information Disclosure vulnerability.
Atlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions:
Confluence Data Center 9.2: Upgrade to a release greater than or equal to 9.2.22
Confluence Data Center 10.2: Upgrade to a release greater than or equal to 10.2.14
See the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https://www.atlassian.com/software/confluence/download-archives]).
This vulnerability was reported via our Atlassian (Internal) program.
References
| Link | Resource |
|---|---|
| https://confluence.atlassian.com/pages/viewpage.action?pageId=1821999345 | Vendor Advisory |
| https://jira.atlassian.com/browse/CONFSERVER-104340 | Issue Tracking |
Configurations
Configuration 1 (hide)
|
History
No history.
Information
Published : 2026-07-21 18:16
Updated : 2026-08-11 01:07
NVD link : CVE-2026-21579
Mitre link : CVE-2026-21579
CVE.ORG link : CVE-2026-21579
JSON object : View
Products Affected
atlassian
- confluence_data_center
CWE
CWE-200
Exposure of Sensitive Information to an Unauthorized Actor