HashiCorp Consul and Consul Enterprise 1.18.20 up to 1.21.10 and 1.22.4 are vulnerable to arbitrary file read when configured with Kubernetes authentication. This vulnerability, CVE-2026-2808, is fixed in Consul 1.18.21, 1.21.11 and 1.22.5.
https://discuss.hashicorp.com/t/hcsec-2026-02-consul-vulnerable-to-arbitrary-file-reads-through-the-vault-kubernetes-authentication-provider/77232
Source: Mitre, NVD
Published: 2026-03-12
Updated: 2026-03-12
Base Score: 6.1
Vector: CVSS2#AV:N/AC:L/Au:M/C:C/I:N/A:N
Severity: Medium
Base Score: 6.8
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
EPSS: 0.00059