# CVE-2026-8828

> CVE-2026-8828. CVSS 8.8 (CVSS 4.0).

Canonical: https://rewindex.com/cve/CVE-2026-8828
Last updated: 2026-06-17T11:04:29Z

- Published: 2026-06-12 14:50 UTC · Updated: 2026-06-17 11:04 UTC · Assigner: HiddenLayer
- CVSS: 8.8 (CVSS 4.0) · Severity: High
- EPSS: 0.28%, 20th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-639

## 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.

## Affected vendors and products

- Chroma: ChromaDB

## Tracked companies

- [Chroma](https://rewindex.com/company/chroma.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-8828)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-8828)
- [https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-2](https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-2)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-8828 · Markdown: https://rewindex.com/cve/CVE-2026-8828.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-8828 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T04:04:33.486Z