CVE-2026-45833

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-12 · updated 2026-10-26
Weakness: CWE-94

Description

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.

Affected products

ChromaDB: from 0.4.17 through 1.5.9

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

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