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Nest: Middleware Bypass on Fastify via Trailing Slash

🗓️ 15 Jun 2026 20:36:43Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 7 Views

Auth bypass in NestJS Fastify middleware via trailing slash with forRoutes on the default adapter.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-54281
22 Jun 202620:48
attackerkb
CVE
CVE-2026-54281
22 Jun 202620:48
cve
Cvelist
CVE-2026-54281 Nest: Middleware Bypass on Fastify via Trailing Slash
22 Jun 202620:48
cvelist
EUVD
EUVD-2026-38398
22 Jun 202620:48
euvd
NVD
CVE-2026-54281
22 Jun 202622:16
nvd
OSV
GHSA-6V32-FJC9-9QF6 Nest: Middleware Bypass on Fastify via Trailing Slash
15 Jun 202620:36
osv
Positive Technologies
PT-2026-49595
15 Jun 202600:00
ptsecurity
Snyk
Incorrect Authorization
15 Jun 202620:36
snyk
Veracode
Authentication Bypass
16 Jun 202618:06
veracode
Vulnrichment
CVE-2026-54281 Nest: Middleware Bypass on Fastify via Trailing Slash
22 Jun 202620:48
vulnrichment
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Vulners
Node
nestjsplatform-fastifyRange11.1.23npm

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15 Jun 2026 20:36Current
5.3Medium risk
Vulners AI Score5.3
CVSS 48.7
EPSS0.00285
SSVC
7