PT-2026-62000 · Atlassian · Confluence

CVE-2026-21579 · Publicado 2026-07-21 · Atualizado 2026-07-21

Mitre

CVSS v4.0

8.2

Alta

Vetor base

AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

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.

Correção

Identificadores relacionados

CVE-2026-21579

Produtos afetados

Confluence

Referências · 3

• https://confluence.atlassian.com/pages/viewpage.action?pageId=1821999345 · Nota
• https://jira.atlassian.com/browse/CONFSERVER-104340 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-21579 · Nota de Segurança