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CVE-2026-27491 Discourse has a bypass of official warnings messages by non-staff users

🗓️ 19 Mar 2026 20:47:54Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 19 Views

Discourse allowed non-staff users to issue warnings via a post actions API due to type coercion; patched.

Related
Affected
Refs
[
  {
    "vendor": "discourse",
    "product": "discourse",
    "versions": [
      {
        "version": ">= 2026.1.0-latest, < 2026.1.2",
        "status": "affected"
      },
      {
        "version": ">= 2026.2.0-latest, < 2026.2.1",
        "status": "affected"
      },
      {
        "version": "= 2026.3.0-latest",
        "status": "affected"
      }
    ]
  }
]

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19 Mar 2026 20:47Current
CVSS 46.9
EPSS0.00048
19