CVE-2025-66456Published
Elysia is a Typescript framework for request validation, type inference, OpenAPI documentation and client-server communication. Versions 1.4.0 through 1.4.16 contain a prototype pollution vulnerability in `mergeDeep` after merging results o…
Exact source revision recorded 25 Oct 2026 03:17:36 UTC. It does not establish the source's current position. Latest evidence.
Explicit identifiers and source references
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CVE-2025-66456 · Microsoft / collected KEV context
nvd · CVE-2025-66456
- https://github.com/elysiajs/elysia/commit/26935bf76ebc43b4a43d48b173fc853de43bb51e
- https://github.com/elysiajs/elysia/commit/3af978663e437dccc6c1a2a3aff4b74e1574849e
- https://github.com/elysiajs/elysia/pull/1564
- https://github.com/elysiajs/elysia/security/advisories/GHSA-8vch-m3f4-q8jf
- https://github.com/elysiajs/elysia/security/advisories/GHSA-hxj9-33pp-j2cc
Current operational correlations are not mixed into this historical source record. Open latest evidence to discover current connections.