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.
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.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||||||||||||||||||||
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| Atlassian | Confluence Data Center | affected |
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Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Tue, 21 Jul 2026 17:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| First Time appeared |
Atlassian
Atlassian confluence Data Center |
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| CPEs | cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:8.5.22:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:8.5.23:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:8.5.24:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:8.5.25:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:8.5.26:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:8.5.27:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:8.5.28:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:8.5.29:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:8.5.30:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:8.5.31:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.10:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.11:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.12:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.13:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.14:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.15:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.16:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.17:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.18:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.19:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.20:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.21:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.22:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.2:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.3:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.4:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.5:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.6:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.7:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.8:*:*:*:*:*:*:* cpe:2.3:a:atlassian:confluence_data_center:9.2.9:*:*:*:*:*:*:* |
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| Vendors & Products |
Atlassian
Atlassian confluence Data Center |
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| References |
| |
| Metrics |
cvssV4_0
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Projects
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MITRE
Status: PUBLISHED
Assigner: atlassian
Published:
Updated: 2026-07-21T17:00:00.404Z
Reserved: 2026-01-01T00:00:40.721Z
Link: CVE-2026-21579
Vulnrichment
No data.
NVD
No data.
Redhat
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OpenCVE Enrichment
No data.
Weaknesses
No weakness.