What is CVE-2026-45832?

CVE-2026-45832 is a high-severity vulnerability in Chroma Chromadb, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-06-12.

How severe is CVE-2026-45832?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Chroma Chromadb

CVE-2026-45832

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.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.003 (20.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Chroma Chromadb — versions 0.5.0
Trychroma Chromadb

Weakness classification (CWE)

References

6f8de1f0-f67e-45a6-b68f-98777fdb759c (Third Party Advisory)
0b0ca135-0b70-47e7-9f44-1890c2a1c46c
0b0ca135-0b70-47e7-9f44-1890c2a1c46c
0b0ca135-0b70-47e7-9f44-1890c2a1c46c

Frequently asked questions

What is CVE-2026-45832?: CVE-2026-45832 is a high-severity vulnerability in Chroma Chromadb, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-06-12.
How severe is CVE-2026-45832?: High severity. CVSS v3 base score is 8.8 out of 10.