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CVE Vulnerability Details :

CVE-2026-45831

PUBLISHED

More Info Official Page

Assigner-HiddenLayer

Assigner Org ID-6f8de1f0-f67e-45a6-b68f-98777fdb759c

Published At-12 Jun, 2026 | 15:03

Updated At-12 Jun, 2026 | 16:22

▼CVE Numbering Authority (CNA)

The SimpleRBACAuthorizationProvider authorization provider in versions 0.5.0 or later of the ChromaDB Python project evaluates whether a user holds a given permission but never checks which tenant, database, or collection that permission applies to allowing users to perform cross tenant actions.

Affected Products

Vendor

Chroma

Product

ChromaDB

Package Name

chromadb

Repo

https://github.com/chroma-core/chroma

Default Status

unaffected

Versions

Affected

From 0.5.0 through * (custom)

Problem Types

Type	CWE ID	Description
CWE	CWE-863	CWE-863: Incorrect Authorization

Type: CWE

CWE ID: CWE-863

Description: CWE-863: Incorrect Authorization

Metrics

Version	Base score	Base severity	Vector
4.0	8.8	HIGH	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

Version: 4.0

Base score: 8.8

Base severity: HIGH

Vector:

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

Impacts

CAPEC ID	Description
CAPEC-180	CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels

CAPEC ID: CAPEC-180

Description: CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels

References

Hyperlink	Resource
https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-3	N/A

Hyperlink: https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-3

Resource: N/A

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

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Affected

Problem Types

Metrics

Metrics Other Info

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Solutions

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Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References