CVE-2026-21577
Gravedad CVSS v4.0:
ALTA
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
21/07/2026
Última modificación:
21/07/2026
Descripción
*** Pendiente de traducción *** This High severity DoS (Denial of Service) vulnerability was introduced in versions 9.0.1, 9.1.0, 9.2.0, 9.3.1, 9.4.0, 9.5.1, 10.0.2, 10.1.0 and 10.2.0 of Confluence Data Center.<br />
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This DoS (Denial of Service) vulnerability, with a CVSS Score of 7.1, allows an authenticated attacker to cause a resource to be unavailable for its intended users by temporarily or indefinitely disrupting services of a host connected to a network.<br />
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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:<br />
Confluence Data Center 9.2: Upgrade to a release greater than or equal to 9.2.17<br />
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Confluence Data Center 10.2: Upgrade to a release greater than or equal to 10.2.7<br />
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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]).<br />
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This vulnerability was reported via our Penetration Testing program.
Impacto
Puntuación base 4.0
7.10
Gravedad 4.0
ALTA