CVE-2026-28367

HIGH

8.7

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.

Details CVE

Score CVSS v3.18.7

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

Vecteur d'attaqueNETWORK

ComplexiteHIGH

Privileges requisNONE

Interaction utilisateurNONE

Publie3/27/2026

Derniere modification3/30/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-444

References

https://access.redhat.com/security/cve/CVE-2026-28367(secalert@redhat.com)

https://bugzilla.redhat.com/show_bug.cgi?id=2443260(secalert@redhat.com)

Correlations IOC

Aucune correlation enregistree

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