GHSA-f4j7-r4q5-qw2c

ChromaDB Python project has a pre-authentication code injection vulnerability

Source: GitHub Advisory Database (reviewed) Critical CVE-2026-45829

Packages

Ecosystem	Package	Affected	Fixed in
PyPI	chromadb	>= 1.0.0, <= 1.5.9	no fix listed

Details

As written in the advisory (Markdown source, shown as plain text).

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.

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2026-45829 advisory
https://github.com/chroma-core/chroma/issues/6717 web
https://access.redhat.com/security/cve/CVE-2026-45829 web
https://bugzilla.redhat.com/show_bug.cgi?id=2479623 web
https://github.com/advisories/GHSA-f4j7-r4q5-qw2c advisory
https://github.com/chroma-core/chroma package
https://github.com/pypa/advisory-database/tree/main/vulns/chromadb/PYSEC-2026-311.yaml web
https://pypi.org/project/chromadb web
https://www.hiddenlayer.com/research/chromatoast-served-pre-auth web