PT-2026-53404 · Pypi · Chromadb

Published 2026-06-29 · Updated 2026-06-29

OSV

CVSS v4.0

9.3

Critical

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P

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.

Fix

Related Identifiers

PYSEC-2026-311

Affected Products

Chromadb

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-45829 · Security Note
• https://osv.dev/vulnerability/PYSEC-2026-311 · Vendor Advisory
• https://github.com/chroma-core/chroma/issues/6717 · Note
• https://github.com/chroma-core/chroma · Note
• https://hiddenlayer.com/research/chromatoast-served-pre-auth · Note
• https://pypi.org/project/chromadb · Note
• https://github.com/advisories/GHSA-f4j7-r4q5-qw2c · Note