What is CVE-2026-85178?

CVE-2026-85178 is a high-severity vulnerability, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.7/10. Published 2026-09-03.

How severe is CVE-2026-85178?

High severity. CVSS v3 base score is 7.7 out of 10.

CVE-2026-85178

CVE-2026-85178

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.

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

disclosure@vulncheck.com
disclosure@vulncheck.com
disclosure@vulncheck.com
disclosure@vulncheck.com

Frequently asked questions

What is CVE-2026-85178?: CVE-2026-85178 is a high-severity vulnerability, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.7/10. Published 2026-09-03.
How severe is CVE-2026-85178?: High severity. CVSS v3 base score is 7.7 out of 10.