Vulnerability Intelligence Report
CVE-2026-45830
A lack of authorization validation in version 0.4.17 or later of the ChromaDB Python 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.
No Active Exploit Signals
CVSS Base Score
8.8
HIGH
EPSS Probability:0.34%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-639 ↗CWE-639 Authorization bypass through User-Controlled key
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Chroma | ChromaDB | 0.4.17 <= * (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.345%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | HiddenLayer, Inc. · Vendor · USA |
| Reserved | 2026-05-13T14:01:39 |
| Published | 2026-06-12T14:46:54 |
| Last Updated | 2026-07-31T12:04:49 |
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