Fiche vulnérabilité
CVE-2026-42965 : faille moyenne redhat openshift container platform (CVSS 6.5)
Description
A flaw was found in the OpenShift Router. A user with EndpointSlice write access can exploit this vulnerability by creating a Service backed by an FQDN (Fully Qualified Domain Name) EndpointSlice that resolves to a cloud metadata endpoint. This allows the router to proxy requests to the cloud metadata endpoint, leading to the disclosure of instance credentials and other sensitive metadata. This bypasses previous security measures for validating IP addresses.
En bref
- Sévérité
- Moyenne (CVSS 6.5)
- Vecteur CVSS
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Exploitation active
- Non signalée par la CISA
- Publication
- 29 mai 2026
- Dernière mise à jour
- 21 sept. 2026
Produits concernés
- redhat openshift container platform
- redhat openshift router
Références
- Fiche CVE-2026-42965 sur le NVD (NIST)
- access.redhat.com/errata/RHSA-2026:54583
- access.redhat.com/errata/RHSA-2026:54602
- access.redhat.com/errata/RHSA-2026:54770
- access.redhat.com/errata/RHSA-2026:57408
- access.redhat.com/errata/RHSA-2026:65852
- access.redhat.com/security/cve/CVE-2026-42965
- bugzilla.redhat.com/show_bug.cgi
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42965.json