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Improper Validation of Specified Type of Input

🗓️ 15 Apr 2026 02:09:35Reported by Snyk Security DatabaseType 
snyk
 snyk
🔗 security.snyk.io👁 17 Views

Improper input validation occurs when Content-Type has a space, bypassing body schema; upgrade to 5.8.5.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-33806
15 Apr 202600:14
–attackerkb
bdu_fstec
BDU FSTEC
Fastify Framework Security Bypass
1 Jul 202600:00
–bdu_fstec
circl
Circl
CVE-2026-33806
14 Apr 202612:01
–circl
cnnvd
CNNVD
Fastify security vulnerabilities
15 Apr 202600:00
–cnnvd
cve
CVE
CVE-2026-33806
15 Apr 202600:14
–cve
cvelist
Cvelist
CVE-2026-33806 fastify vulnerable to Body Schema Validation Bypass via Leading Space in Content-Type Header
15 Apr 202600:14
–cvelist
euvd
EUVD
EUVD-2026-22818
15 Apr 202619:24
–euvd
github
Github Security Blog
Fastify has a Body Schema Validation Bypass via Leading Space in Content-Type Header
15 Apr 202619:24
–github
mend
Mend
CVE-2026-33806
15 Apr 202600:14
–mend
nvd
NVD
CVE-2026-33806
15 Apr 202604:17
–nvd
Rows per page
Vulners
Node
fastifyfastifyRange4.29.0–5.8.5

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15 Apr 2026 02:09Current
7High risk
Vulners AI Score7
CVSS 3.17.5
CVSS 48.7
EPSS0.00485
SSVC
17