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CVE-2026-33426

🗓️ 20 Mar 2026 23:14:57Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 32 Views

Discourse users with tag-editing rights could edit synonyms for hidden restricted tags before patches.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-33426
20 Mar 202623:14
attackerkb
cnnvd
CNNVD
Discourse 安全漏洞
21 Mar 202600:00
cnnvd
cnvd
CNVD
Unspecified vulnerability in Discourse (CNVD-2026-17483)
24 Mar 202600:00
cnvd
cvelist
Cvelist
CVE-2026-33426 Discourse users can edit or synonymize hidden tags they can't see
20 Mar 202623:14
cvelist
euvd
EUVD
EUVD-2026-13908
20 Mar 202623:14
euvd
nvd
NVD
CVE-2026-33426
21 Mar 202600:16
nvd
osv
OSV
BIT-DISCOURSE-2026-33426 Discourse users can edit or synonymize hidden tags they can't see
27 Mar 202607:11
osv
ptsecurity
Positive Technologies
PT-2026-26710
20 Mar 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-33426
26 Mar 202615:16
redhatcve
vulnrichment
Vulnrichment
CVE-2026-33426 Discourse users can edit or synonymize hidden tags they can't see
20 Mar 202623:14
vulnrichment
Rows per page
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 10:37Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.13.5 - 3.8
EPSS0.0016
SSVC
32