critical10.0
CVE-2026-45829
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…
Impact
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 packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | chromadb | >= 1.0.0, <= 1.5.9 | none recorded |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-f4j7-r4q5-qw2c
- https://nvd.nist.gov/vuln/detail/CVE-2026-45829
- https://github.com/chroma-core/chroma/issues/6717
- https://www.hiddenlayer.com/research/chromatoast-served-pre-auth
- https://access.redhat.com/security/cve/CVE-2026-45829
- https://bugzilla.redhat.com/show_bug.cgi?id=2479623
- https://github.com/chroma-core/chroma
- https://github.com/pypa/advisory-database/tree/main/vulns/chromadb/PYSEC-2026-311.yaml
- https://pypi.org/project/chromadb
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45829.json