PYSEC-2026-3815

    Dashboard / Vulnerabilities / PYSEC-2026-3815

    PYSEC-2026-3815

    Published: 10 Sept 2026Last Modified: 10 Sept 2026

    Summary: ChromaDB's SimpleRBACAuthorizationProvider doesn't check which tenant, database, or collection a permission applies to

    Details: 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 packages

    Package

    Name: chromadb

    Purl: pkg:pypi/chromadb

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0.5.0
    Fixed -None

    Affected versions

    0.5.0
    0.5.1
    0.5.10
    0.5.11
    0.5.12
    0.5.13
    0.5.15
    0.5.16
    0.5.17
    0.5.18
    0.5.2
    0.5.20
    0.5.21
    0.5.23
    0.5.3
    0.5.4
    0.5.5
    0.5.7
    0.5.9

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    PYSEC-2026-3815 | CVE-DB