medium4.8
CVE-2026-33732
srvx is vulnerable to middleware bypass via absolute URI in request line
Impact
srvx is a universal server based on web standards. Prior to version 0.11.13, a pathname parsing discrepancy in srvx's `FastURL` allows middleware bypass on the Node.js adapter when a raw HTTP request uses an absolute URI with a non-standard scheme (e.g. `file://`). Starting in version 0.11.13, the `FastURL` constructor now deopts to native `URL` for any string not starting with `/`, ensuring consistent pathname resolution.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | srvx | < 0.11.13 | 0.11.13 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| H3 | Srvx | before 0.11.13 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-p36q-q72m-gchr
- https://github.com/h3js/h3/security/advisories/GHSA-p36q-q72m-gchr
- https://github.com/h3js/srvx/commit/de0d69901c357f36a39b7e13eebef6c930652baa
- https://github.com/h3js/srvx/releases/tag/v0.11.13
- https://nvd.nist.gov/vuln/detail/CVE-2026-33732