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CVE-2026-45775 Discourse: Cross-site backup access via path traversal in multisite local backups

🗓️ 12 Jun 2026 20:25:33Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 28 Views

CVE-2026-45775 lets multisite admins access other sites' backups via path traversal; fixed.

Related
Affected
Refs
[
  {
    "vendor": "discourse",
    "product": "discourse",
    "versions": [
      {
        "version": ">= 2026.1.0-latest, < 2026.1.4",
        "status": "affected"
      },
      {
        "version": ">= 2026.3.0-latest, < 2026.3.1",
        "status": "affected"
      },
      {
        "version": ">= 2026.4.0-latest, < 2026.4.1",
        "status": "affected"
      }
    ]
  }
]

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