GHSA-fq2p-hx59-r7g8HighCVSS 7.5
OpenCost before 1.121.0 fails to authenticate the GET /helmValues endpoint, exposing base64...
🔗 CVE IDs covered (1)
📋 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.
🔗 References (7)
- https://nvd.nist.gov/vuln/detail/CVE-2026-67349
- https://github.com/opencost/opencost/issues/3893
- https://github.com/opencost/opencost/pull/3910
- https://github.com/opencost/opencost/commit/a49a25bc2e0d6e220a131a4dc58f38ebe6ae851b
- https://github.com/opencost/opencost/releases/tag/core/v1.121.0
- https://www.vulncheck.com/advisories/opencost-unauthenticated-helm-values-exposure-and-admin-bypass
- https://github.com/advisories/GHSA-fq2p-hx59-r7g8