CVE-2026-21579
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Confluence Data Center
- Vendor
- Atlassian
- Product
- Confluence Data Center
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 10.2.0 to 10.2.13 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 10.1.0 to 10.1.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 10.0.2 to 10.0.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.2.0 to 9.2.21 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.1.0 to 9.1.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 9.0.1 to 9.0.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 8.9.5 to 8.9.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 8.5.14 to 8.5.31 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 7.19.26 to 7.19.30 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 10.2.14 | unaffected | Unavailable | Unavailable | Unavailable | None listed |
| 9.2.22 | unaffected | Unavailable | Unavailable | Unavailable | None listed |