# chromadb (PyPI) vulnerabilities

4 known vulnerabilities (2 critical, 2 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: 1.5.9 (May 5, 2026): affected by 4 advisories
- Newest unaffected release: 0.4.16 (Nov 8, 2023)
- Weekly downloads: 2M
- Dependents: 1,882
- Releases: 130 since 0.1.0 (Feb 15, 2023)
- Registry: https://pypi.org/project/chromadb/
- Releases read: Nov 8, 2026

## Version timeline

Affected versions per advisory, in version order:

- CVE-2026-45833: 0.4.17 to 1.5.9 (through the newest release)
- CVE-2026-45831: 0.5.0 to 1.5.9 (through the newest release)
- CVE-2026-45830: 0.4.17 to 1.5.9 (through the newest release)
- CVE-2026-45829: 1.0.0 to 1.5.9 (through the newest release)

## Advisories (4)

### [CVE-2026-45833](https://cve.now/CVE-2026-45833): A code injection vulnerability in version 0.4.17 or later of the ChromaDB Python project allows an authenticated attacker to run arbitrary…

- Severity: Critical 9.4
- Published: Jun 12, 2026
- Affected: from 0.4.17, through 1.5.9.
- No fix released. The latest release, 1.5.9, is still affected.

### [CVE-2026-45831](https://cve.now/CVE-2026-45831): The SimpleRBACAuthorizationProvider authorization provider in versions 0.5.0 or later of the ChromaDB Python project evaluates whether a…

- Severity: High 8.8
- Published: Jun 12, 2026
- Affected: from 0.5.0, through 1.5.9.
- No fix released. The latest release, 1.5.9, is still affected.

### [CVE-2026-45830](https://cve.now/CVE-2026-45830): A lack of authorization validation in version 0.4.17 or later of the ChromaDB Python project allows any authenticated users to arbitrarily…

- Severity: High 8.8
- Published: Jun 12, 2026
- Affected: from 0.4.17, through 1.5.9.
- No fix released. The latest release, 1.5.9, is still affected.

### [CVE-2026-45829](https://cve.now/CVE-2026-45829): A pre-authentication, code injection vulnerability in version 1.0.0 or later of the ChromaDB Python project allows an unauthenticated…

- Severity: Critical 10.0
- Published: May 18, 2026
- Affected: from 1.0.0, through 1.5.9.
- No fix released. The latest release, 1.5.9, is still affected.

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