Fastify
Vendor:
First CVE: Jun 7, 2018 · Active for 8 years
10
Total CVEs
More Total CVEs than 88% of tracked products
2.0
Avg CVEs / Year
Higher CVE frequency than 60% of tracked products
6.8
Avg CVSS
Higher Avg CVSS than 36% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Fastify over time
Volume of CVEsAvg CVSS Base Score
First CVE
Jun 7, 2018
8 years ago
Most Recent CVE
Apr 15, 2026
99 days ago
CVE Severity & Scoring
Fastify10 CVEs
10%
30%
60%
All CVEs352,101 CVEs
45%
40%
11%
LowMediumHigh
Attack Vector
Local0 (0.0%)
Network9 (90.0%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network1 (10.0%)
Attack Complexity
Low8 (80.0%)
High2 (20.0%)
Unknown0 (0.0%)
User Interaction
None9 (90.0%)
Unknown0 (0.0%)
Required1 (10.0%)
Privileges Required
Low1 (10.0%)
High0 (0.0%)
None9 (90.0%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (10 CVEs).
10 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2022-39288HIGH fastify is a fast and low overhead web framework, for Node.js. Affected versions of fastify are subject to a denial of service via malicious use of the Content-Type header. An atta | Oct 10, 2022 | 7.5 | 57 | NO | NO |
CVE-2026-33806HIGH Impact:
Fastify applications using schema.body.content for per-content-type body validation can have validation bypassed entirely by prepending a space to the Content-Type header. | Apr 15, 2026 | 7.5 | 29 | NO | NO |
CVE-2026-25223HIGH Fastify is a fast and low overhead web framework, for Node.js. Prior to version 5.7.2, a validation bypass vulnerability exists in Fastify where request body validation schemas spe | Feb 3, 2026 | 7.5 | 27 | NO | NO |
CVE-2022-41919HIGH Fastify is a web framework with minimal overhead and plugin architecture. The attacker can use the incorrect `Content-Type` to bypass the `Pre-Flight` checking of `fetch`. `fetch() | Nov 22, 2022 | 8.8 | 27 | NO | NO |
CVE-2018-3711HIGH Fastify node module before 0.38.0 is vulnerable to a denial-of-service attack by sending a request with "Content-Type: application/json" and a very large payload. | Jun 7, 2018 | 7.5 | 24 | NO | NO |
CVE-2025-32442HIGH 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 d | Apr 18, 2025 | 7.5 | 23 | NO | NO |
CVE-2026-3635MEDIUM Summary
When trustProxy is configured with a restrictive trust function (e.g., a specific IP like trustProxy: '10.0.0.1', a subnet, a hop count, or a custom function), the request. | Mar 23, 2026 | 6.1 | 21 | NO | NO |
CVE-2026-3419MEDIUM Fastify incorrectly accepts malformed `Content-Type` headers containing trailing characters after the subtype token, in violation of RFC 9110 §8.3.1(https://httpwg.org/specs/rfc911 | Mar 6, 2026 | 5.3 | 21 | NO | NO |
Fastify is a fast and low overhead web framework, for Node.js. Prior to version 5.7.3, a denial-of-service vulnerability in Fastify’s Web Streams response handling can allow a remo | Feb 3, 2026 | 3.7 | 18 | NO | NO |
CVE-2020-8192MEDIUM A denial of service vulnerability exists in Fastify v2.14.1 and v3.0.0-rc.4 that allows a malicious user to trigger resource exhaustion (when the allErrors option is used) with spe | Jul 30, 2020 | 6.5 | 17 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (10 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (10 CVEs).
Media Mentions
Signals from CVEs in this product scope (10 CVEs).
Top CNAs Publishing CVEs For Fastify
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 4.29.0 | 1 | 7.5 | 0.7% | 0 | 0 |
| 3.0.0 | 1 | 6.5 | 1.2% | 0 | 0 |
| 2.14.1 | 1 | 6.5 | 1.2% | 0 | 0 |