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.
Published: 2026-06-12
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 16 Jun 2026 15:15:00 +0000

Type Values Removed Values Added
First Time appeared Trychroma
Trychroma chromadb
CPEs cpe:2.3:a:trychroma:chromadb:*:*:*:*:*:python:*:*
Vendors & Products Trychroma
Trychroma chromadb
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Mon, 15 Jun 2026 12:15:00 +0000

Type Values Removed Values Added
Title Authorization Bypass via V1 Collection‑Level Endpoints in ChromaDB chromadb: ChromaDB: Authorization bypass in V1 collection-level endpoints
Weaknesses CWE-551
References
Metrics threat_severity

None

cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}

threat_severity

Important


Fri, 12 Jun 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 12 Jun 2026 17:15:00 +0000

Type Values Removed Values Added
Title Authorization Bypass via V1 Collection‑Level Endpoints in ChromaDB

Fri, 12 Jun 2026 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Chroma
Chroma chromadb
Vendors & Products Chroma
Chroma chromadb

Fri, 12 Jun 2026 15:45:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-639
References
Metrics cvssV4_0

{'score': 8.8, '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'}


Subscriptions

Chroma Chromadb
Trychroma Chromadb
cve-icon MITRE

Status: PUBLISHED

Assigner: HiddenLayer

Published:

Updated: 2026-06-12T16:20:54.122Z

Reserved: 2026-05-13T14:01:39.604Z

Link: CVE-2026-45832

cve-icon Vulnrichment

Updated: 2026-06-12T16:19:53.297Z

cve-icon NVD

Status : Analyzed

Published: 2026-06-12T16:16:28.933

Modified: 2026-06-16T15:07:21.920

Link: CVE-2026-45832

cve-icon Redhat

Severity : Important

Publid Date: 2026-06-12T15:11:46Z

Links: CVE-2026-45832 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-06-15T14:00:12Z

Weaknesses