Vulnerability Intelligence Report
CVE-2026-45831
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.
No Active Exploit Signals
CVSS Base Score
8.8
HIGH
EPSS Probability:0.24%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-863 ↗CWE-863: Incorrect Authorization
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Chroma | ChromaDB | 0.5.0 <= * (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.237%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | HiddenLayer, Inc. · Vendor · USA |
| Reserved | 2026-05-13T14:01:39 |
| Published | 2026-06-12T15:03:58 |
| Last Updated | 2026-06-12T16:22:00 |
Community Chatter & Buzz