Advisory Database
  • Advisories
  • Dependency Scanning
  1. pypi
  2. ›
  3. chromadb
  4. ›
  5. CVE-2026-45829

CVE-2026-45829: ChromaDB Python project has a pre-authentication code injection vulnerability

May 18, 2026 (updated October 5, 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.

References

  • access.redhat.com/security/cve/CVE-2026-45829
  • bugzilla.redhat.com/show_bug.cgi?id=2479623
  • github.com/advisories/GHSA-f4j7-r4q5-qw2c
  • github.com/chroma-core/chroma
  • github.com/chroma-core/chroma/issues/6717
  • github.com/pypa/advisory-database/tree/main/vulns/chromadb/PYSEC-2026-311.yaml
  • nvd.nist.gov/vuln/detail/CVE-2026-45829
  • pypi.org/project/chromadb
  • www.hiddenlayer.com/research/chromatoast-served-pre-auth

Code Behaviors & Features

Detect and mitigate CVE-2026-45829 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions starting from 1.0.0 up to 1.5.9

Solution

Unfortunately, there is no solution available yet.

Impact 10 CRITICAL

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

Learn more about CVSS

Weakness

  • CWE-502: Deserialization of Untrusted Data
  • CWE-94: Improper Control of Generation of Code ('Code Injection')

Source file

pypi/chromadb/CVE-2026-45829.yml

Spotted a mistake? Edit the file on GitLab.

  • Site Repo
  • About GitLab
  • Terms
  • Privacy Statement
  • Contact

Page generated Sun, 08 Nov 2026 00:16:08 +0000.