Logo
-

Byte Open Security

(ByteOS Network)

Log In

Sign Up

ByteOS

Security
Vulnerability Details
Registries
Custom Views
Weaknesses
Attack Patterns
Filters & Tools
Vulnerability Details :

CVE-2026-45831

Summary
Assigner-HiddenLayer
Assigner Org ID-6f8de1f0-f67e-45a6-b68f-98777fdb759c
Published At-12 Jun, 2026 | 15:03
Updated At-12 Jun, 2026 | 16:22
Rejected At-
Credits

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:HiddenLayer
Assigner Org ID:6f8de1f0-f67e-45a6-b68f-98777fdb759c
Published At:12 Jun, 2026 | 15:03
Updated At:12 Jun, 2026 | 16:22
Rejected At:
▼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
TypeCWE IDDescription
CWECWE-863CWE-863: Incorrect Authorization
Type: CWE
CWE ID: CWE-863
Description: CWE-863: Incorrect Authorization
Metrics
VersionBase scoreBase severityVector
4.08.8HIGH
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
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-180CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels
CAPEC ID: CAPEC-180
Description: CAPEC-180 Exploiting Incorrectly Configured Access Control Security Levels
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
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
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:6f8de1f0-f67e-45a6-b68f-98777fdb759c
Published At:12 Jun, 2026 | 16:16
Updated At:12 Jun, 2026 | 16:23

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.08.8HIGH
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-863Secondary6f8de1f0-f67e-45a6-b68f-98777fdb759c
CWE ID: CWE-863
Type: Secondary
Source: 6f8de1f0-f67e-45a6-b68f-98777fdb759c
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-36f8de1f0-f67e-45a6-b68f-98777fdb759c
N/A
Hyperlink: https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-3
Source: 6f8de1f0-f67e-45a6-b68f-98777fdb759c
Resource: N/A

Change History

0
Information is not available yet

Similar CVEs

3Records found
CVE-2026-45830
Matching Score-8
Assigner-HiddenLayer, Inc.
ShareView Details
Matching Score-8
Assigner-HiddenLayer, Inc.
CVSS Score-8.8||HIGH
EPSS-Not Assigned
Published-12 Jun, 2026 | 14:46
Updated-12 Jun, 2026 | 16:23
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A lack of authorization validation in version 0.4.17 or later of the ChromaDB Python 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.

Action-Not Available
Vendor-Chroma
Product-ChromaDB
CWE ID-CWE-639
Authorization Bypass Through User-Controlled Key
CVE-2026-45832
Matching Score-8
Assigner-HiddenLayer, Inc.
ShareView Details
Matching Score-8
Assigner-HiddenLayer, Inc.
CVSS Score-8.8||HIGH
EPSS-Not Assigned
Published-12 Jun, 2026 | 15:11
Updated-12 Jun, 2026 | 16:23
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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.

Action-Not Available
Vendor-Chroma
Product-ChromaDB
CWE ID-CWE-639
Authorization Bypass Through User-Controlled Key
CVE-2026-8828
Matching Score-8
Assigner-HiddenLayer, Inc.
ShareView Details
Matching Score-8
Assigner-HiddenLayer, Inc.
CVSS Score-8.8||HIGH
EPSS-Not Assigned
Published-12 Jun, 2026 | 14:50
Updated-12 Jun, 2026 | 16:22
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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.

Action-Not Available
Vendor-Chroma
Product-ChromaDB
CWE ID-CWE-639
Authorization Bypass Through User-Controlled Key
Details not found