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CVE-2026-23743 Discourse allows permalinks to restricted resources to leak resource slugs to unauthorized users

🗓️ 28 Jan 2026 20:07:21Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 18 Views

Discourse permalinks to restricted resources leak slugs to unauthorized users via redirects and 404.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-23743
28 Jan 202620:07
attackerkb
Circl
CVE-2026-23743
30 Jan 202621:34
circl
CNNVD
Discourse Information Leakage Vulnerability
28 Jan 202600:00
cnnvd
CVE
CVE-2026-23743
28 Jan 202620:07
cve
EUVD
EUVD-2026-4861
28 Jan 202620:07
euvd
NVD
CVE-2026-23743
28 Jan 202621:16
nvd
OSV
BIT-DISCOURSE-2026-23743 Discourse allows permalinks to restricted resources to leak resource slugs to unauthorized users
31 Jan 202608:42
osv
OSV
CVE-2026-23743 Discourse allows permalinks to restricted resources to leak resource slugs to unauthorized users
28 Jan 202620:07
osv
Positive Technologies
PT-2026-5211
28 Jan 202600:00
ptsecurity
RedhatCVE
CVE-2026-23743
29 Jan 202621:21
redhatcve
Rows per page
[
  {
    "vendor": "discourse",
    "product": "discourse",
    "versions": [
      {
        "version": "< 3.5.4",
        "status": "affected"
      },
      {
        "version": ">= 2025.11.0-latest, < 2025.11.2",
        "status": "affected"
      },
      {
        "version": ">= 2025.12.0-latest, < 2025.12.1",
        "status": "affected"
      },
      {
        "version": ">= 2026.1.0-latest, < 2026.1.0",
        "status": "affected"
      }
    ]
  }
]

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