{
"id": "GHSA-xph7-9rjv-w5fr",
"aliases": [
"CVE-2026-45831"
],
"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.",
"summary": "ChromaDB's SimpleRBACAuthorizationProvider doesn't check which tenant, database, or collection a permission applies to",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0.5.0"
},
{
"last_affected": "1.5.9"
}
]
}
],
"package": {
"name": "chromadb",
"ecosystem": "PyPI"
}
}
],
"modified": "2026-08-24T20:00:42Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V4",
"score": "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"
}
],
"published": "2026-06-12T18:31:56Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45831",
"type": "ADVISORY"
},
{
"url": "https://github.com/chroma-core/chroma/issues/7588",
"type": "WEB"
},
{
"url": "https://github.com/chroma-core/chroma/pull/7602",
"type": "WEB"
},
{
"url": "https://github.com/chroma-core/chroma",
"type": "PACKAGE"
},
{
"url": "https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-3",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-863"
],
"severity": "HIGH",
"github_reviewed": true,
"nvd_published_at": "2026-06-12T16:16:28Z",
"github_reviewed_at": "2026-08-24T20:00:42Z"
}
}