CVE-2026-28367
undertow: Undertow: Request smuggling via `\r\r\r` as a header block terminator
Sévérité par source
Le label propre à Trivy est CRITICAL. Critique selon NVD. Plus basse selon GHSA (élevée), Red Hat (élevée).
Description
A flaw was found in Undertow. A remote attacker can exploit this vulnerability by sending `\r\r\r` as a header block terminator. This can be used for request smuggling with certain proxy servers, such as older versions of Apache Traffic Server and Google Cloud Classic Application Load Balancer, potentially leading to unauthorized access or manipulation of web requests.
Paquets affectés et versions corrigées
| Source | Paquet | Corrigé en |
|---|---|---|
| debian 14 | undertow | pas de correctif indiqué |
| maven::GitHub Security Advisory Maven | io.undertow:undertow-parent | pas de correctif indiqué |
| Red Hat | undertow-core | pas de correctif indiqué |
Références
- https://access.redhat.com/errata/RHSA-2026:25125
- https://access.redhat.com/errata/RHSA-2026:25126
- https://access.redhat.com/security/cve/CVE-2026-28367
- https://bugzilla.redhat.com/show_bug.cgi?id=2443260
- https://github.com/undertow-io/undertow
- https://nvd.nist.gov/vuln/detail/CVE-2026-28367
- https://www.cve.org/CVERecord?id=CVE-2026-28367