CVE-2026-85178: Helicone

High severity, CVSS 7.7. EPSS: 0.4% chance of exploitation in the next 30 days.

Helicone's VaultManager.getDecryptedProviderKeyById() function in the GET /v1/vault/key/{providerKeyId} endpoint fails to validate the requester's organization against the vault key's organization identifier. Attackers with admin or owner privileges in any organization can retrieve decrypted upstream provider credentials for other tenants, including plaintext OpenAI, Anthropic, and Bedrock API keys.

Affected products

• Helicone Helicone

Published 2026-09-03. Last modified 2026-09-24.