CVE-2026-45830

State: Published
Severity: 8.8 High
Published: Jun 12, 2026
Updated: Jul 31, 2026
Reserved: May 13, 2026

Description

A lack of authorization validation in version 0.4.17 or later of the ChromaDB Python project allows any authenticated users to arbitrarily read, write, update, or delete data in any tenant's collection regardless of which tenant they belong to.

Scores

CVSS	Score	Vector	Source
4.0	8.8 High	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	HiddenLayer
3.1	8.1 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N	redhat-SADP

Weaknesses

CWE-639 Authorization bypass through User-Controlled key
CWE-266 Incorrect Privilege Assignment

Affected Products

Product	Versions
ChromaDBChroma	0.4.17 and laterAffected

References

https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb
https://access.redhat.com/security/cve/CVE-2026-45830vdb-entry
RHBZ#2488408issue-tracking
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45830.json

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