CVE-2026-28367
undertow: Undertow: Request smuggling via `\r\r\r` as a header block terminator
Einstufung nach Quelle
Trivys eigenes Label ist CRITICAL. Kritisch laut NVD. Niedriger laut GHSA (hoch), Red Hat (hoch).
Beschreibung
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.
Betroffene Pakete und behobene Versionen
| Quelle | Paket | Behoben in |
|---|---|---|
| debian 14 | undertow | kein Fix angegeben |
| maven::GitHub Security Advisory Maven | io.undertow:undertow-parent | kein Fix angegeben |
| Red Hat | undertow-core | kein Fix angegeben |
Referenzen
- 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