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OpenAdvisories
Critical · 10.0 Public exploit CVE-2026-45829 EUVD-2026-30779GHSA-f4j7-r4q5-qw2cPYSEC-2026-311

ChromaDB Python project has a pre-authentication code injection vulnerability

Published May 18, 2026 · Updated Jul 15, 2026 · Assigned by HiddenLayer

Vendor: Chroma Product: ChromaDB Package: chromadb Package: open-webui Ecosystem: PyPI Ecosystem: Wolfi

Description

A pre-authentication, code injection vulnerability in version 1.0.0 or later of the ChromaDB Python project allows an unauthenticated attacker to run arbitrary code on the server by sending a malicious model repository and trust_remote_code set to true in the /api/v2/tenants/{tenant}/databases/{db}/collections endpoint.

Affected products

VendorProductAffectedFixed
Chroma ChromaDB 1.0.0 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Wolfi

ReleasePackageFixed inAdvisory
Wolfi rolling open-webui No fix yet —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 2 repositories

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Affected packages

EcosystemPackageAffectedFixedRecord
PyPI chromadb >= 1.0.0, <= 1.5.9 — GHSA-f4j7-r4q5-qw2c

References