fastify versions before 5.12.2 decide whether to compile a request schema based on JavaScript truthiness, but JSON Schema Draft 7 defines the boolean false as a valid schema that rejects every instance. When an application assigns false to …
Exact source revision recorded 25 Oct 2026 16:19:16 UTC. It does not establish the source's current position. Latest evidence.
nvd · CVE-2026-84469
PublishedNVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.
Source analysis status: Analyzed
Weakness classifications: CWE-20
Original publisher date fields
published: 2026-09-04T10:17:13.677
lastModified: 2026-09-15T20:06:50.543
1 source CPE criteria · context only
- cpe:2.3:a:fastify:fastify:*:*:*:*:*:node.js:*:*
The original JSON retains the logical configuration operators, exclusions and version bounds.
No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.
Original source record · Cite this exact observation · Complete original publisher JSON