CVE-2026-45831 HIGH

CVE-2026-45831

Vendor Chroma
Product ChromaDB
Weakness CWE-863 · Incorrect authorization
Published June 12, 2026
Last update June 12, 2026
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 12, 2026 CVE published
June 12, 2026 Record updated