[CVE-2026-67349] OpenCost before 1.121.0 fails to authenticate the GET /helmValues endpoint, exposing base64-decoded …

Descripción técnica

OpenCost before 1.121.0 fails to authenticate the GET /helmValues endpoint, exposing base64-decoded HELM_VALUES environment variable containing cloud provider credentials. Additionally, adminAuthMiddleware fails open when ADMIN_TOKEN is unset, allowing unauthenticated attackers to modify GCP service account keys via POST /serviceKey to redirect billing calls.

Puntuación CVSS

Score: 7.5/10 — Severidad: HIGH — Estado NIST: Deferred

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Debilidades (CWE)

CWE-306

Fuente oficial

Publicado en NIST NVD.