CVE-2026-85178

Helicone Cross-Tenant Provider Key Disclosure via Missing Organization Filter

State: Published
Severity: 8.3 High
Published: Sep 3, 2026
Updated: Sep 24, 2026
Reserved: Sep 3, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	8.3 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N	VulnCheck
3.1	7.7 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N	VulnCheck

Weaknesses

CWE-639 Authorization Bypass Through User-Controlled Key

Affected Products

Product	Versions
heliconeHelicone	before ca34549ea56f7ed587843f82d9cc19baa1f36ba4Affected

References

GitHub Issue #5712issue-tracking
https://github.com/Helicone/heliconeproduct
https://github.com/Helicone/helicone/commit/ca34549ea56f7ed587843f82d9cc19baa1f36ba4patch
VulnCheck Advisory: Helicone Cross-Tenant Provider Key Disclosure via Missing Organization Filterthird-party-advisory

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