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.
References
| Link | Resource |
|---|---|
| https://github.com/EdamAme-x/elysia-poc-redos | Exploit |
| https://github.com/elysiajs/elysia/security/advisories/GHSA-f45g-68q3-5w8x | Mitigation Vendor Advisory |
Configurations
History
20 Mar 2026, 15:23
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:a:elysiajs:elysia:*:*:*:*:*:node.js:*:* | |
| First Time |
Elysiajs
Elysiajs elysia |
|
| References | () https://github.com/EdamAme-x/elysia-poc-redos - Exploit | |
| References | () https://github.com/elysiajs/elysia/security/advisories/GHSA-f45g-68q3-5w8x - Mitigation, Vendor Advisory |
11 Mar 2026, 13:52
| Type | Values Removed | Values Added |
|---|---|---|
| Summary |
|
10 Mar 2026, 21:16
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-03-10 21:16
Updated : 2026-03-20 15:23
NVD link : CVE-2026-30837
Mitre link : CVE-2026-30837
CVE.ORG link : CVE-2026-30837
JSON object : View
Products Affected
elysiajs
- elysia
CWE
CWE-1333
Inefficient Regular Expression Complexity
