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CVE-2026-21580

🗓️ 18 Aug 2026 22:00:00Reported by atlassianType 
cve
 cve
🔗 web.nvd.nist.gov👁 32 Views

Confluence Data Center and Server suffer Stored XSS, PrivEsc, and misconfiguration allowing unauthenticated CVSS 8.6 attacks.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-21580
19 Aug 202600:17
circl
atlassian
Atlassian
Stored XSS in Confluence Data Center and Server
24 Jul 202604:22
atlassian
cvelist
Cvelist
CVE-2026-21580
18 Aug 202622:00
cvelist
euvd
EUVD
EUVD-2026-62205
19 Aug 202600:31
euvd
nvd
NVD
CVE-2026-21580
18 Aug 202622:16
nvd
ptsecurity
Positive Technologies
PT-2026-78242
18 Aug 202600:00
ptsecurity
CNA
Node
OR
atlassianconfluence_data_centerRange7.19.277.19.30
atlassianconfluence_serverRange8.5.158.5.31
atlassianconfluence_serverRange7.19.277.19.30
[
  {
    "vendor": "Atlassian",
    "product": "Confluence Data Center",
    "versions": [
      {
        "version": "10.2.0 to 10.2.11",
        "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 9.2.20",
        "status": "affected"
      },
      {
        "version": "9.1.0 to 9.1.1",
        "status": "affected"
      },
      {
        "version": "9.0.3",
        "status": "affected"
      },
      {
        "version": "8.9.6 to 8.9.8",
        "status": "affected"
      },
      {
        "version": "8.5.15 to 8.5.31",
        "status": "affected"
      },
      {
        "version": "7.19.27 to 7.19.30",
        "status": "affected"
      },
      {
        "version": "10.2.13 to 10.2.15",
        "status": "unaffected"
      },
      {
        "version": "9.2.21 to 9.2.23",
        "status": "unaffected"
      }
    ]
  },
  {
    "vendor": "Atlassian",
    "product": "Confluence Server",
    "versions": [
      {
        "version": "8.5.15 to 8.5.31",
        "status": "affected"
      },
      {
        "version": "7.19.27 to 7.19.30",
        "status": "affected"
      }
    ]
  }
]

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