PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-45832 Chroma CVE debrief

CVE-2026-45832 is a HIGH-severity vulnerability in ChromaDB's Python project. The V1 collection-level endpoints pass None for tenant and database to the authorization layer, allowing attackers to bypass authorization controls. The vulnerability has a CVSS score of 8.8 and was published on [cvePublishedAt](https://www.cve.org/CVERecord?id=CVE-2026-45832).

Vendor
Chroma
Product
ChromaDB
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-12
Original CVE updated
2026-07-15
Advisory published
2026-06-12
Advisory updated
2026-07-15

Who should care

Users of ChromaDB's Python project should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The V1 collection-level endpoints in ChromaDB's Python project pass None for tenant and database to the authorization layer. This allows attackers to bypass authorization controls by using the V1 endpoints.

Defensive priority

HIGH

Recommended defensive actions

  • Review and update ChromaDB's Python project to ensure proper authorization controls are in place.
  • Use secure endpoints and follow best practices for authorization and authentication.

Evidence notes

Evidence from [ref-4](https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-4) indicates that ChromaDB's V1 collection-level endpoints have a vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-45832 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-45832

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-45832 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-45832

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-4

    6f8de1f0-f67e-45a6-b68f-98777fdb759c

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.