Description
A flaw was found in the managedcluster-import-controller. The Certificate Signing Request (CSR) auto-approval logic improperly validates incoming CSRs, specifically by not inspecting the signer name or decoding the PEM-encoded x509 CSR. This vulnerability allows a privileged service account on a spoke cluster to submit a malicious CSR. Successful exploitation can lead to privilege escalation, enabling the attacker to obtain administrative credentials on the hub cluster.
CVSS 9.1EPSS 0.35100000000000003%Risque 0.94
Voir la source- Publication
- 2026-08-17 21:16:47
- Versions concernées
- unknown
- Type
- Autre
- Dernière modification
- 2026-08-25 21:17:36
- Vecteur
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H