High 7.7Published Sep 3, 2026

CVE-2026-85178Helicone Cross-Tenant Provider Key Disclosure via Missing Organization Filter

Updated under an hour ago (2026-10-19 06:10 UTC)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 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.

CVSS: 7.7 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness (CWE): CWE-639
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Sep 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Helicone helicone helicone:helicone (from the name)	before ca34549ea56f7ed587843f82d9cc19baa1f36ba4	CNA record

References

https://github.com/Helicone/helicone/issues/5712issue-tracking
https://github.com/Helicone/heliconeproduct
https://github.com/Helicone/helicone/commit/ca34549ea56f7ed587843f82d9cc19baa1f36ba4patch
https://www.vulncheck.com/advisories/helicone-cross-tenant-provider-key-disclosure-via-missing-organization-filterthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.