CVE-2026-45829 PUBLISHED

Assigner: HiddenLayer
Reserved: 13.05.2026 Published: 18.05.2026 Updated: 19.05.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 10

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Chroma
Product	ChromaDB
Versions	Default: unaffected affected from 1.0.0 to * (incl.)

Credits

Esteban Tonglet finder

References

Problem Types

CWE-94: Improper Control of Generation of Code ('Code Injection') CWE

Impacts

CAPEC-242 Code Injection