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CVE-2026-27570

🗓️ 19 Mar 2026 20:52:17Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 2 Views

Discourse stored XSS in Shared AI Conversation Onebox; patched in 2026.3.0-latest.1 and 2026.2.1.

Related
Detection
Affected
Refs
NVD
Vulners
Node
discoursediscourseRange2026.1.02026.1.2
OR
discoursediscourseRange2026.2.02026.2.1
OR
discoursediscourseMatch2026.3.0latest
[
  {
    "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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25 Mar 2026 00:59Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.16.1
CVSS 45.1
EPSS0.00018
SSVC
2