CVE-2025-32442 is a validation bypass vulnerability affecting Fastify versions 5.0.0-5.3.0 and 4.29.0. It allows attackers to bypass content type validation by subtly altering content type strings, such as through casing or whitespace modifications. With a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to high integrity impacts. While patches are available in versions 5.3.2 and 4.29.1, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.0.0, < 5.3.2CPE matchmatch criteria | cpe:2.3:a:fastify:fastify:*:*:*:*:*:node.js:*:* | ||
4.29.0CPE matchmatch criteria | cpe:2.3:a:fastify:fastify:4.29.0:*:*:*:*:node.js:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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