CVE-2026-85178 Helicone Cross-Tenant Provider Key Disclosure via Missing Organization Filter
Attackers with admin privileges in any organization can retrieve decrypted API keys for other tenants due to missing organization validation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-85178?
CVE-2026-85178 is a high-severity missing authorization vulnerability in helicone, published on 3 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-639
Which versions are affected by CVE-2026-85178?
How do I fix CVE-2026-85178?
No fix has been published for CVE-2026-85178 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-85178 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-85178 exists.
Sources
Also known as GHSA-2f4g-hjp3-9wf4.