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Backstage: Scaffolder action input authorization bypass

🗓️ 07 Oct 2026 17:59:08Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 19 Views

Authenticated users can bypass action input authorization in @backstage/plugin-scaffolder-backend.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-106503
14 Oct 202609:37
–circl
cve
CVE
CVE-2026-106503
6 Oct 202621:37
–cve
cvelist
Cvelist
CVE-2026-106503 Backstage: Scaffolder action input authorization bypass
6 Oct 202621:37
–cvelist
euvd
EUVD
EUVD-2026-94068
7 Oct 202617:59
–euvd
mend
Mend
CVE-2026-106503
6 Oct 202621:37
–mend
nvd
NVD
CVE-2026-106503
6 Oct 202622:17
–nvd
osv_ghsa
osv_ghsa
GHSA-HMP2-4M7G-22CV Backstage: Scaffolder action input authorization bypass
7 Oct 202617:59
–osv_ghsa
ptsecurity
Positive Technologies
PT-2026-107300
6 Oct 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-106503: Improper Handling of Case Sensitivity
6 Oct 202600:00
–rapid7
redhatcve
RedhatCVE
CVE-2026-106503
7 Oct 202617:35
–redhatcve
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07 Oct 2026 17:59Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.1
EPSS0.00492
SSVC
19