CVE-2026-30837
Elysia is a Typescript framework for request validation, type inference, OpenAPI documentation and client-server communication. Prior to 1.4.26 , t.String({ format: 'url' }) is vulnerable to ReDoS. Repeating a partial url format (protocol and hostname) multiple times cause regex to slow down significantly. This vulnerability is fixed in 1.4.26.
- Score
- CVSS 3.1 7.5 High
- Status
- Analyzed - security-advisories@github.com
- Published
- 2026-03-10
- Last modified
- 2026-03-11
- Weaknesses
- CWE-1333
Affected products
References
- https://github.com/EdamAme-x/elysia-poc-redos
- https://github.com/elysiajs/elysia/security/advisories/GHSA-f45g-68q3-5w8x