CVE-2026-23527
h3: h3: HTTP Request Smuggling due to improper case-sensitive parsing of Transfer-Encoding header
Sévérité par source
Le label propre à Trivy est CRITICAL. Critique selon NVD. Plus basse selon GHSA (élevée), Red Hat (élevée).
Description
H3 is a minimal H(TTP) framework built for high performance and portability. Prior to 1.15.5, there is a critical HTTP Request Smuggling vulnerability. readRawBody is doing a strict case-sensitive check for the Transfer-Encoding header. It explicitly looks for "chunked", but per the RFC, this header should be case-insensitive. This vulnerability is fixed in 1.15.5.
Paquets affectés et versions corrigées
| Source | Paquet | Corrigé en |
|---|---|---|
| npm::GitHub Security Advisory npm | h3 | 1.15.5 |
Références
- https://access.redhat.com/security/cve/CVE-2026-23527
- https://github.com/h3js/h3
- https://github.com/h3js/h3/commit/618ccf4f37b8b6148bea7f36040471af45bfb097
- https://github.com/h3js/h3/releases/tag/v1.15.5
- https://github.com/h3js/h3/security/advisories/GHSA-mp2g-9vg9-f4cg
- https://nvd.nist.gov/vuln/detail/CVE-2026-23527
- https://simonkoeck.com/writeups/h3-transfer-encoding-request-smuggling
- https://www.cve.org/CVERecord?id=CVE-2026-23527