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CVE-2026-21577

🗓️ 21 Jul 2026 17:00:00Reported by atlassianType 
cvelist
 cvelist
🔗 www.cve.org👁 18 Views

High severity denial of service in Confluence Data Center; upgrade to 9.2.17 or 10.2.7.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Atlassian
DoS (Denial of Service) in Confluence Data Center
8 Jul 202601:50
atlassian
CVE
CVE-2026-21577
21 Jul 202617:00
cve
EUVD
EUVD-2026-46327
21 Jul 202617:00
euvd
NVD
CVE-2026-21577
21 Jul 202618:16
nvd
Positive Technologies
PT-2026-61999
21 Jul 202600:00
ptsecurity
[
  {
    "vendor": "Atlassian",
    "product": "Confluence Data Center",
    "versions": [
      {
        "version": "10.2.0 to 10.2.6",
        "status": "affected"
      },
      {
        "version": "10.1.0 to 10.1.2",
        "status": "affected"
      },
      {
        "version": "10.0.2 to 10.0.3",
        "status": "affected"
      },
      {
        "version": "9.5.1 to 9.5.4",
        "status": "affected"
      },
      {
        "version": "9.4.0 to 9.4.1",
        "status": "affected"
      },
      {
        "version": "9.3.1 to 9.3.2",
        "status": "affected"
      },
      {
        "version": "9.2.0 to 9.2.15",
        "status": "affected"
      },
      {
        "version": "9.1.0 to 9.1.1",
        "status": "affected"
      },
      {
        "version": "9.0.1 to 9.0.3",
        "status": "affected"
      },
      {
        "version": "10.2.7 to 10.2.14",
        "status": "unaffected"
      },
      {
        "version": "9.2.17 to 9.2.22",
        "status": "unaffected"
      }
    ]
  }
]

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