VDB
CVE-2026-3419
CVE-2026-3419
PUBLISHED
CVSS 5.300000190734863 MEDIUM
Fastify's Missing End Anchor in "subtypeNameReg" Allows Malformed Content-Types to Pass Validation
EPSS 0.02% · 4.2th percentile
Risk Scores
CVSS 3.1
5.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS Score
0.02%
4.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| npm | fastify | 5.7.2, 5.7.2, 5.7.2 |
| fastify | fastify | 5.7.2, 5.7.2, 5.8.1 |
Timeline
- Mar 5, 2026 CVE Published
- Mar 6, 2026 CVE Updated
- Mar 6, 2026 PoC Published
- Mar 6, 2026 PoC Published
- Mar 6, 2026 PoC Published
- Mar 7, 2026 EPSS Score
- Mar 8, 2026 EPSS Score
- Mar 9, 2026 EPSS Score
- Mar 9, 2026 Security Advisory
- Mar 11, 2026 EPSS Score
- Mar 12, 2026 EPSS Score
- Mar 13, 2026 EPSS Score
References
- https://github.com/fastify/fastify/security/advisories/GHSA-573f-x89g-hqp9 url
- https://github.com/fastify/fastify/commit/67f6c9b32cb3623d3c9470cc17ed830dd2f083d7 url
- https://httpwg.org/specs/rfc9110.html#field.content-type url
- https://github.com/advisories/GHSA-573f-x89g-hqp9 url
- https://cna.openjsf.org/security-advisories.html url
- https://www.cve.org/CVERecord?id=CVE-2026-3419 url
- https://nvd.nist.gov/vuln/detail/CVE-2026-3419 advisory
- https://github.com/fastify/fastify package