highCVSS 8.8NVD status: Analyzed

CVE-2026-45831

Chroma: The SimpleRBACAuthorizationProvider authorization provider in versions 0.5.0 or later of the ChromaDB Python project evaluates whether a user holds a given permission but never checks which tenant, database, or collec...

ComponentChroma
Severityhigh (CVSS 8.8)
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published (NVD)2026-06-12
Last modified2026-06-17
Affected versions
chromadb >= 0.5.0, <= 1.5.9
Fixed insee the vendor advisory
WeaknessCWE-863
CISA KEVnot listed

NVD description

The SimpleRBACAuthorizationProvider authorization provider in versions 0.5.0 or later of the ChromaDB Python project evaluates whether a user holds a given permission but never checks which tenant, database, or collection that permission applies to allowing users to perform cross tenant actions.

Does CVE-2026-45831 hit the version you run?Paste your docker-compose.yml, requirements.txt or package.json. The scanner checks your pinned versions against this CVE and every other one we track for Chroma.
Check my stack

What to do

  • NVD lists no fixed version yet: follow the vendor advisory below and keep Chroma off the public internet until a fix ships.
  • Do not expose the component's API or UI to the internet without authentication in front of it.

Sources

Read more

Other Chroma CVEs

All Chroma CVEs