What is CVE-2026-45829?

CVE-2026-45829 is a critical-severity vulnerability in Chroma Chromadb, classified under Code Injection. CVSS score: 10.0/10. Published 2026-05-18.

How severe is CVE-2026-45829?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Is CVE-2026-45829 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Chroma Chromadb

CVE-2026-45829

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_cod…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.124 (95.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Chroma Chromadb — versions 1.0.0

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-45829?: CVE-2026-45829 is a critical-severity vulnerability in Chroma Chromadb, classified under Code Injection. CVSS score: 10.0/10. Published 2026-05-18.
How severe is CVE-2026-45829?: Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2026-45829 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.