CVE-2026-21579
Full vulnerability record from the local CVENow database.
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.
Severity
HIGH
CVSS score
8.2
(v4.0)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-21 18:16:57.487000
Last modified
2026-10-24 19:10:00.127000
View original CVE JSON
{
"id": "CVE-2026-21579",
"sourceIdentifier": "[email protected]",
"published": "2026-07-21T18:16:57.487",
"lastModified": "2026-10-24T19:10:00.127",
"vulnStatus": "Analyzed",
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"value": "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.\r\n\r\nThis Information Disclosure vulnerability, with a CVSS Score of 8.2, allows an unauthenticated attacker to view sensitive information via an Information Disclosure vulnerability.\r\n\r\nAtlassian 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:\r\n Confluence Data Center 9.2: Upgrade to a release greater than or equal to 9.2.22\r\n\r\n Confluence Data Center 10.2: Upgrade to a release greater than or equal to 10.2.14\r\n\r\nSee 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]).\r\n\r\nThis vulnerability was reported via our Atlassian (Internal) program."
},
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"lang": "es",
"value": "Esta vulnerabilidad de revelación de información de alta gravedad fue introducida en las versiones 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 y 10.2.0 de Confluence Data Center.\n\nEsta vulnerabilidad de revelación de información, con una puntuación CVSS de 8.2, permite a un atacante no autenticado ver información sensible a través de una vulnerabilidad de revelación de información.\n\nAtlassian recomienda que los clientes de Confluence Data Center actualicen a la última versión; si no puede hacerlo, actualice su instancia a una de las versiones fijas compatibles especificadas:\n Confluence Data Center 9.2: Actualice a una versión mayor o igual a 9.2.22\n\n Confluence Data Center 10.2: Actualice a una versión mayor o igual a 10.2.14\n\nConsulte las notas de la versión ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). Puede descargar la última versión de Confluence Data Center desde el centro de descargas ([https://www.atlassian.com/software/confluence/download-archives]).\n\nEsta vulnerabilidad fue reportada a través de nuestro programa Atlassian (Interno)."
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"references": [
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"source": "[email protected]",
"tags": [
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{
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"source": "[email protected]",
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}