Advisoriesby IbisChromaGHSA-f4j7-r4q5-qw2c
ChromaDB Python project has a pre-authentication code injection vulnerability
No fix yet
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 versions
| Package | Affected | Fixed in |
|---|---|---|
| chromadb PyPI | >= 1.0.0, <= 1.5.9 | No fix yet |
Changes since it was listed
CVSS score: none to 10
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- Severity from
- GitHub (reviewed advisory)
- Weakness
- CWE-502, CWE-94
- Also known as
- CVE-2026-45829, PYSEC-2026-311
- nvd.nist.gov/vuln/detail/CVE-2026-45829
- github.com/chroma-core/chroma/issues/6717
- access.redhat.com/security/cve/CVE-2026-45829
- bugzilla.redhat.com/show_bug.cgi?id=2479623
- github.com/advisories/GHSA-f4j7-r4q5-qw2c
- github.com/chroma-core/chroma
- github.com/pypa/advisory-database/tree/main/vulns/chromadb/PYSEC-2026-311.yaml
- pypi.org/project/chromadb
- www.hiddenlayer.com/research/chromatoast-served-pre-auth