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CVE-2026-21865 Discourse topic conversion permission vulnerability for moderators

🗓️ 28 Jan 2026 19:51:37Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 18 Views

CVE-2026-21865: Moderators could convert personal messages to public topics in older Discourse versions.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-21865
28 Jan 202619:51
attackerkb
CNNVD
Discourse security vulnerabilities
28 Jan 202600:00
cnnvd
CVE
CVE-2026-21865
28 Jan 202619:51
cve
EUVD
EUVD-2026-4874
28 Jan 202619:51
euvd
NVD
CVE-2026-21865
28 Jan 202620:16
nvd
OSV
BIT-DISCOURSE-2026-21865 Discourse topic conversion permission vulnerability for moderators
2 Feb 202608:42
osv
OSV
CVE-2026-21865 Discourse topic conversion permission vulnerability for moderators
28 Jan 202619:51
osv
Positive Technologies
PT-2026-5210
28 Jan 202600:00
ptsecurity
RedhatCVE
CVE-2026-21865
29 Jan 202621:21
redhatcve
Vulnrichment
CVE-2026-21865 Discourse topic conversion permission vulnerability for moderators
28 Jan 202619:51
vulnrichment
Rows per page
[
  {
    "vendor": "discourse",
    "product": "discourse",
    "versions": [
      {
        "version": "< 3.5.4",
        "status": "affected"
      },
      {
        "version": ">= 2025.11.0-latest, < 2025.11.2",
        "status": "affected"
      },
      {
        "version": ">= 2025.12.0-latest, < 2025.12.1",
        "status": "affected"
      },
      {
        "version": ">= 2026.1.0-latest, < 2026.1.0",
        "status": "affected"
      }
    ]
  }
]

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