What is CVE-2026-33732?

CVE-2026-33732 is a medium-severity vulnerability in H3js Srvx, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 4.8/10. Published 2026-03-26.

How severe is CVE-2026-33732?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Vulnerability in H3js Srvx

CVE-2026-33732

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-standar…

EPSS: 0.001 (15.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

H3js Srvx — versions < 0.11.13

Weakness classification (CWE)

CWE-706 — Use of Incorrectly-Resolved Name or Reference

References

https://github.com/h3js/h3/security/advisories/GHSA-p36q-q72m-gchr (x_refsource_CONFIRM)
https://github.com/h3js/srvx/commit/de0d69901c357f36a39b7e13eebef6c930652baa (x_refsource_MISC)
https://github.com/h3js/srvx/releases/tag/v0.11.13 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33732?: CVE-2026-33732 is a medium-severity vulnerability in H3js Srvx, classified under Use of Incorrectly-Resolved Name or Reference. CVSS score: 4.8/10. Published 2026-03-26.
How severe is CVE-2026-33732?: Medium severity. CVSS v3 base score is 4.8 out of 10.