GHSA-XPH7-9RJV-W5FR

Vulnerability from github – Published: 2026-06-12 18:31 – Updated: 2026-08-24 20:00
VLAI
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.

Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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
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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "chromadb"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.5.0"
            },
            {
              "last_affected": "1.5.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-45831"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-08-24T20:00:42Z",
    "nvd_published_at": "2026-06-12T16:16:28Z",
    "severity": "HIGH"
  },
  "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.",
  "id": "GHSA-xph7-9rjv-w5fr",
  "modified": "2026-08-24T20:00:42Z",
  "published": "2026-06-12T18:31:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45831"
    },
    {
      "type": "WEB",
      "url": "https://github.com/chroma-core/chroma/issues/7588"
    },
    {
      "type": "WEB",
      "url": "https://github.com/chroma-core/chroma/pull/7602"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/chroma-core/chroma"
    },
    {
      "type": "WEB",
      "url": "https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-3"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "ChromaDB\u0027s SimpleRBACAuthorizationProvider doesn\u0027t check which tenant, database, or collection a permission applies to"
}



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