CVE-2026-45829

CRITICAL EPSS 95.7%

Published May 18, 20261mo ago · Modified Jun 17, 20262w ago

10.0 CVSS 4.0

Critical

Published May 18, 2026 1mo ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

10.0

Exploitability

—

Impact

—

Vector string

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

95.7% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

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

References 2

github.com https://github.com/chroma-core/chroma/issues/6717
hiddenlayer.com https://www.hiddenlayer.com/research/chromatoast-served-pre-auth

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.