CVE-2026-45832
ChromaDB Authorization Bypass via V1 API
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.
INFO
Published Date :
June 12, 2026, 4:16 p.m.
Last Modified :
June 12, 2026, 4:23 p.m.
Remotely Exploit :
Yes !
Source :
6f8de1f0-f67e-45a6-b68f-98777fdb759c
Affected Products
The following products are affected by CVE-2026-45832
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | HIGH | 6f8de1f0-f67e-45a6-b68f-98777fdb759c | ||||
| CVSS 4.0 | HIGH | 6f8de1f0-f67e-45a6-b68f-98777fdb759c |
Solution
- Update ChromaDB to the latest version.
- Verify authorization controls on V1 endpoints.
- Implement proper tenant and database handling.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-45832.
| URL | Resource |
|---|---|
| https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-4 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-45832 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-45832
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-45832 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-45832 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by 6f8de1f0-f67e-45a6-b68f-98777fdb759c
Jun. 12, 2026
Action Type Old Value New Value 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. Added CVSS V4.0 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 Added CWE CWE-639 Added Reference https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-4