Vulnerability · Published Jun 12, 2026 · Assigned by HiddenLayer
CVE-2026-45830
High 8.1
In plain English
A high-severity authorization bypass via user-controlled key in ChromaDB from Chroma. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.3%top 71.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | chromadb | no fix listed | GHSA-2wm9-hf6c-p5cr |
| PyPI | chromadb | no fix listed | PYSEC-2026-3813 |
Affected products (as reported)
Weakness: CWE-639, CWE-266 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
References
- https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb
- https://access.redhat.com/security/cve/CVE-2026-45830 vdb-entry, x_refsource_REDHAT
- RHBZ#2488408 issue-tracking, x_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45830.json x_sadp-csaf-vex