High severityNVD Advisory· Published Mar 10, 2026· Updated Mar 11, 2026
Elysia has a string URL format redos
CVE-2026-30837
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
elysianpm | < 1.4.26 | 1.4.26 |
Affected products
2Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-f45g-68q3-5w8xghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-30837ghsaADVISORY
- github.com/elysiajs/elysia/security/advisories/GHSA-f45g-68q3-5w8xghsax_refsource_CONFIRMWEB
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