CVE-2026-45831

Description

The SimpleRBACAuthorizationProvider authorization provider in versions 0.5.0 or later of the ChromaDB Python project evaluates whether a user holds a given permission but never checks which tenant, database, or collection that permission applies to allowing users to perform cross tenant actions.

References

• https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-3