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CVE-2026-53960 Discourse: Hidden first-post excerpt is emitted in Q&A schema JSON-LD

🗓️ 17 Aug 2026 15:33:14Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

Discourse leaks hidden first-post content via Q&A JSON-LD to unauthenticated visitors in versions before 2026.1.6, 2026.5.2, 2026.6.1, and 2026.7.0.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-53960
17 Aug 202615:33
attackerkb
cve
CVE
CVE-2026-53960
17 Aug 202615:33
cve
euvd
EUVD
EUVD-2026-60238
17 Aug 202615:33
euvd
nvd
NVD
CVE-2026-53960
17 Aug 202616:16
nvd
ptsecurity
Positive Technologies
PT-2026-76680
17 Aug 202600:00
ptsecurity
[
  {
    "vendor": "discourse",
    "product": "discourse",
    "versions": [
      {
        "version": "< 2026.1.6",
        "status": "affected"
      },
      {
        "version": ">= 2026.5.0-latest, < 2026.5.2",
        "status": "affected"
      },
      {
        "version": ">= 2026.6.0-latest, < 2026.6.1",
        "status": "affected"
      }
    ]
  }
]

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