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CVE-2026-26078 Discourse has authentication bypass vulnerability in the Patreon plugin webhook endpoint

🗓️ 26 Feb 2026 15:00:47Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 17 Views

Discourse Patreon webhook authentication bypass allows forging signatures when patreon_webhook_secret is blank; patch requires non-empty secret.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-26078
26 Feb 202615:00
attackerkb
Circl
CVE-2026-26078
26 Feb 202617:10
circl
CNNVD
Discourse 安全漏洞
26 Feb 202600:00
cnnvd
CVE
CVE-2026-26078
26 Feb 202615:00
cve
EUVD
EUVD-2026-8856
26 Feb 202615:00
euvd
NVD
CVE-2026-26078
26 Feb 202616:24
nvd
OSV
BIT-DISCOURSE-2026-26078 Discourse has authentication bypass vulnerability in the Patreon plugin webhook endpoint
3 Mar 202613:29
osv
OSV
CVE-2026-26078 Discourse has authentication bypass vulnerability in the Patreon plugin webhook endpoint
26 Feb 202615:00
osv
Positive Technologies
PT-2026-22153
26 Feb 202600:00
ptsecurity
RedhatCVE
CVE-2026-26078
27 Feb 202619:44
redhatcve
Rows per page
[
  {
    "vendor": "discourse",
    "product": "discourse",
    "versions": [
      {
        "version": "< 2025.12.2",
        "status": "affected"
      },
      {
        "version": ">= 2026.1.0-latest, < 2026.1.1",
        "status": "affected"
      },
      {
        "version": ">= 2026.2.0-latest, < 2026.2.0",
        "status": "affected"
      }
    ]
  }
]

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