CVE-2026-8828

Arbitrary Data Access and Modification in ChromaDB due to Missing Authorization Checks

Published Jun 12, 2026 CVSS 4.0 · 8.8 High EPSS < 1% KEV · Not listed
Description
A lack of authorization validation in version 1.0.0 or later of the ChromaDB Rust project allows any authenticated users to arbitrarily read, write, update, or delete data in any tenant's collection regardless of which tenant they belong to.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Title Arbitrary Data Access and Modification in ChromaDB due to Missing Authorization Checks
First Time appeared Chroma
Chroma chromadb
Vendors & Products Chroma
Chroma chromadb
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A lack of authorization validation in version 1.0.0 or later of the ChromaDB Rust project allows any authenticated users to arbitrarily read, write, update, or delete data in any tenant's collection regardless of which tenant they belong to.
Weaknesses CWE-639
References
Metrics cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
HiddenLayer
Published
Updated
Jun 12, 2026, 4:00 PM
Reserved
May 18, 2026, 1:23 PM
Status
Awaiting Analysis
Published
Jun 12, 2026, 4:16 PM
Modified
Oct 26, 2026, 11:10 AM