CVE-2026-45832

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

Description

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.

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-551 Incorrect Behavior Order: Authorization Before Parsing and Canonicalization

Affected Products

Product	Versions
ChromaDBChroma	0.5.0 and laterAffected

References

https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-4
https://access.redhat.com/security/cve/CVE-2026-45832vdb-entry
RHBZ#2488411issue-tracking
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45832.json

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