PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-45832 Chroma CVE debrief

CVE-2026-45832 is a HIGH-severity vulnerability in ChromaDB's Python project. The V1 collection-level endpoints pass None for tenant and database to the authorization layer, allowing attackers to bypass authorization controls. The vulnerability has a CVSS score of 8.8 and was published on [cvePublishedAt](https://www.cve.org/CVERecord?id=CVE-2026-45832).

Vendor
Chroma
Product
ChromaDB
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-12
Original CVE updated
2026-06-12
Advisory published
2026-06-12
Advisory updated
2026-06-12

Who should care

Users of ChromaDB's Python project should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

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

Defensive priority

HIGH

Recommended defensive actions

  • Review and update ChromaDB's Python project to ensure proper authorization controls are in place.
  • Use secure endpoints and follow best practices for authorization and authentication.

Evidence notes

Evidence from [ref-4](https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-4) indicates that ChromaDB's V1 collection-level endpoints have a vulnerability.

Official resources

CVE-2026-45832 was published on 2026-06-12T16:16:28.933Z and modified on 2026-06-12T16:23:23.800Z.