VULNERABILITY INTELLIGENCE

CVE-2026-67349

CVSS score7.5 HIGH
EPSS probability0.50%
CISA KEVNot currently listed
Published2026-07-30
Last modified2026-07-31
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

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.

Weakness classification

  • disclosure@vulncheck.com: CWE-306

Primary references