PT-2026-48896 · Chroma · Chromadb

Published 2026-06-12 · Updated 2026-06-12 · CVE-2026-45831

NVD

CVSS v4.0

8.8

High

Base vector

AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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.

Fix

Incorrect Authorization

Weakness Enumeration

CWE-863

Related Identifiers

CVE-2026-45831

Affected Products

Chromadb

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-45831 · Security Note
• https://hiddenlayer.com/sai-security-advisory/2026-06-chromadb-3 · Note