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CVE-2026-27481 Discourse: Hidden tag visibility bypass on tag routes

🗓️ 03 Apr 2026 21:27:12Reported by GitHub_MType 
vulnrichment
 vulnrichment
🔗 github.com👁 4 Views

Authorization bypass exposes hidden staff-only tags via tag routes; patched in 2026.1.3, 2026.2.2, and 2026.3.0.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-27481
3 Apr 202621:27
attackerkb
cnnvd
CNNVD
Discourse 信息泄露漏洞
3 Apr 202600:00
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cve
CVE
CVE-2026-27481
3 Apr 202621:27
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cvelist
Cvelist
CVE-2026-27481 Discourse: Hidden tag visibility bypass on tag routes
3 Apr 202621:27
cvelist
euvd
EUVD
EUVD-2026-18866
3 Apr 202621:27
euvd
nvd
NVD
CVE-2026-27481
3 Apr 202622:16
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osv
OSV
BIT-DISCOURSE-2026-27481 Discourse: Hidden tag visibility bypass on tag routes
8 Apr 202614:43
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ptsecurity
Positive Technologies
PT-2026-30241
3 Apr 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-27481
4 Apr 202622:54
redhatcve

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03 Apr 2026 21:27Current
5.8Medium risk
Vulners AI Score5.8
CVSS 46.3
EPSS0.00229
SSVC
4