CVE-2026-45833
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.
- CVSS 4.0
- 9.4
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H - CVSS 3.1
- 8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 27% of CVEs (scores of 2026-10-25)
- CWE
- CWE-94
- Published
- Modified
- Record from
- the NVD, synced
Affected
- trychroma:chromadb
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-36p7-vc44-83pf | PyPI | chromadb | >=0.4.17 <=1.5.9 | no fix published |
| PYSEC-2026-3814 | PyPI | chromadb | >=0.4.17 <=1.5.9 | no fix published |
References
- 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://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-5