CVE-2026-45829CWE-94

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…

Critical · published May 18, 2026

CVSS v4.0
10.0
EPSS
1%
Percentile
72.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
10.0 · CRITICAL
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
EPSS
0.01411 · 72.5th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-05-18T15:59Z
EPSS history
Timeline
  • 25 SEP 03:26Z
    EPSS moved 12% → 1%
    epss
  • 18 MAY 15:59Z
    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…
    cvelistv5