CVE-2026-45832

CVSS 8.8 HIGHEPSS 0.3%CWE-639

All V1 collection-level endpoints in ChromaDB's Python project pass None for the tenant and database to the authorization layer, allowing attackers to bypass authorization controls by using the V1 endpoints.

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N

Affected products

Chroma · ChromaDB

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References

https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-4