CVE-2026-30837

HIGH

7.5

Description

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/10/2026

Last Modified3/20/2026

Sourcenvd

Honeypot Sightings0

Affected Products

elysiajs:elysia

Weaknesses (CWE)

CWE-1333

References

https://github.com/EdamAme-x/elysia-poc-redos(security-advisories@github.com)

https://github.com/elysiajs/elysia/security/advisories/GHSA-f45g-68q3-5w8x(security-advisories@github.com)

IOC Correlations

No correlations recorded

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