CVE-2026-45829 | A pre-authentication, code injection vulnerability in versio… | CVSS 10.0 CRITICAL

Description

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.

Metadata

CVE ID: CVE-2026-45829
State: PUBLISHED
Assigner: HiddenLayer
Reserved: 2026-05-13 14:01 UTC
Published: 2026-05-18 15:59 UTC
Last updated: 2026-07-15 11:47 UTC
Primary CWE: CWE-94
CWE-94: Improper Control of Generation of Code ('Code Inject…
Vendor / Product: Chroma / ChromaDB
Sources: cve.org · NVD

Severity & Metrics

10.0 CRITICAL CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
Chroma	ChromaDB	—	1.0.0 ≤ *

Weakness (CWE)

CWE	Source	Description
CWE-94	cna	CWE-94: Improper Control of Generation of Code ('Code Injection')
CWE-502	adp	Deserialization of Untrusted Data

CVSS scores (2)

Score	Severity	Version	Source	Vector
10.0	CRITICAL	4.0	cna	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
10.0	CRITICAL	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References (2)