Vulnerability in Fastify
CVE-2025-32442
Fastify is a fast and low overhead web framework, for Node.js. In versions 5.0.0 to 5.3.0 as well as version 4.29.0, applications that specify different validation strategies for different content types have a possibility to bypass validat…
EPSS: 0.006 (45.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Fastify — versions 4.29.0, >= 5.0.0, < 5.3.2, = 4.29.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Permissions Required, x_refsource_MISC)
Frequently asked questions
- What is CVE-2025-32442?
- CVE-2025-32442 is a high-severity vulnerability in Fastify, classified under CWE-1287. CVSS score: 7.5/10. Published 2025-04-18.
- How severe is CVE-2025-32442?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2025-32442 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.