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CVE-2026-33806 fastify vulnerable to Body Schema Validation Bypass via Leading Space in Content-Type Header

🗓️ 15 Apr 2026 00:14:02Reported by openjsType 
cvelist
 cvelist
🔗 www.cve.org👁 67 Views

CVE-2026-33806: Fastify body validation bypass via leading space in Content-Type; fix in 5.8.5.

Related
Affected
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
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
osv_cve
osv_cve
CVE-2025-32442 Fastify vulnerable to invalid content-type parsing, which could lead to validation bypass
18 Apr 202515:59
–osv_cve
Rows per page
[
  {
    "vendor": "fastify",
    "product": "fastify",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "versionType": "semver",
        "status": "affected",
        "version": "5.3.2",
        "lessThan": "5.8.5"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "5.8.5"
      }
    ],
    "packageURL": "pkg:npm/fastify"
  }
]

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