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CVE-2026-27740

🗓️ 19 Mar 2026 20:56:17Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 11 Views

CVE-2026-27740: Discourse stores XSS by rendering untrusted AI output via prompt injection in Review Queue.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cnnvd
CNNVD
Discourse 跨站脚本漏洞
19 Mar 202600:00
cnnvd
cvelist
Cvelist
CVE-2026-27740 Discourse has Stored XSS in AI Triage Automation
19 Mar 202620:56
cvelist
euvd
EUVD
EUVD-2026-13194
19 Mar 202620:56
euvd
nvd
NVD
CVE-2026-27740
19 Mar 202621:17
nvd
osv
OSV
BIT-DISCOURSE-2026-27740 Discourse has Stored XSS in AI Triage Automation
27 Mar 202607:09
osv
ptsecurity
Positive Technologies
PT-2026-26361
19 Mar 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-27740
26 Mar 202615:09
redhatcve
vulnrichment
Vulnrichment
CVE-2026-27740 Discourse has Stored XSS in AI Triage Automation
19 Mar 202620:56
vulnrichment
NVD
Vulners
Node
OR
discoursediscourseRange2026.1.02026.1.2
discoursediscourseRange2026.2.02026.2.1
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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17 Jun 2026 10:27Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.16.1
CVSS 45.1
EPSS0.00324
SSVC
11