🛡️ CVE-2026-45832 — chromadb

🟠 CVSS 8.8 — High ✅ No Known Exploit CWE-639 NVD
8.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2026-45832 is classified as CWE-639: Authorization Bypass Through User-Controlled Key. An object is selected by an identifier from the request without checking the caller owns it.

Affected software

CVE-2026-45832 is recorded against 2 packages.

  • chromadb (from 0.5.0 up to 1.5.9)
  • unknown

Timeline and source

Published on 12 June 2026 and last revised on 15 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.hiddenlayer.com
access.redhat.com
bugzilla.redhat.com
security.access.redhat.com

Details

Severity HIGH
CVSS Score 8.8
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-639
Public Exploit ✅ No
Source NVD
Published 2026-06-12
Updated 2026-08-11
Modified 2026-07-15
Fix URL N/A

Affected Packages

Software From version Fixed in
chromadb 0.5.0 1.5.9
unknown

Similar Threats

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