CVE-2026-45833: ChromaDB has a code injection vulnerability
A code injection vulnerability in version 0.4.17 or later of the ChromaDB Python project allows an authenticated attacker to run arbitrary code on the server by sending a malicious model repository and trustremotecode set to true in the /api/v2/tenants/defaulttenant/databases/defaultdatabase/collections/{collectionid} if they have the UPDATECOLLECTION permission.
Published Jun 12, 2026 · Updated Aug 24, 2026
Affected packages
chromadb
- Ecosystem
- PyPI
- Affected
- >= 0.4.17, <= 1.5.9
- Fixed in
- No patched version yet
- Check
pip show chromadb
Advisory details
From the GitHub Advisory Database (CC BY 4.0).
A code injection vulnerability in version 0.4.17 or later of the ChromaDB Python project allows an authenticated 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/default_tenant/databases/default_database/collections/{collection_id} if they have the UPDATE_COLLECTION permission.
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-45833
- https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-5
- https://access.redhat.com/security/cve/CVE-2026-45833
- https://bugzilla.redhat.com/show_bug.cgi?id=2488430
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45833.json
- https://github.com/advisories/GHSA-36p7-vc44-83pf
How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology