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CVE-2026-45832

Quick assessment

Affected
Chroma ChromaDB
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Chroma ChromaDB是Chroma的向量数据库。 Chroma ChromaDB 0.5.0及之前版本存在授权问题漏洞，该漏洞源于所有V1集合级别端点将None传递给授权层，可能导致攻击者绕过授权控制。

CVSS 8.8 · High EPSS 0.52% · P42

Possible ATT&CK Techniques 1 AI

T1552.005 · Cloud Instance Metadata API

Affected Version Matrix 1

VendorProduct Version RangeStatus
Chroma ChromaDB 0.5.0≤ * affected
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I. Basic Information for CVE-2026-45832

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
Chroma ChromaDB 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Chroma ChromaDB是Chroma的向量数据库。 Chroma ChromaDB 0.5.0及之前版本存在授权问题漏洞，该漏洞源于所有V1集合级别端点将None传递给授权层，可能导致攻击者绕过授权控制。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Chroma ChromaDB 0.5.0 ~ * -

II. Public POCs for CVE-2026-45832

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III. Intelligence Information for CVE-2026-45832

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Vendor Advisories for CVE-2026-45832 (1)

Same Patch Batch · Chroma · 2026-06-12 · 5 CVEs total

CVE-2026-45833 9.4 CRITICAL ChromaDB 代码注入漏洞
CVE-2026-45830 8.8 HIGH Chroma ChromaDB 授权问题漏洞
CVE-2026-45831 ChromaDB 授权问题漏洞
CVE-2026-8828 ChromaDB 授权问题漏洞

IV. Related Vulnerabilities

Same product: ChromaDB
Same vendor: Chroma
Same weakness: CWE-639

V. Comments for CVE-2026-45832

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