{"id":"GHSA-xph7-9rjv-w5fr","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.","aliases":["CVE-2026-45831","PYSEC-2026-3815"],"modified":"2026-09-10T12:25:45.510140945Z","published":"2026-06-12T18:31:56Z","database_specific":{"nvd_published_at":"2026-06-12T16:16:28Z","cwe_ids":["CWE-863"],"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2026-08-24T20:00:42Z"},"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"}],"affected":[{"package":{"name":"chromadb","ecosystem":"PyPI","purl":"pkg:pypi/chromadb"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0.5.0"},{"last_affected":"1.5.9"}]}],"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","0.6.0","0.6.1","0.6.2","0.6.3","1.0.0","1.0.0b0","1.0.10","1.0.11","1.0.12","1.0.13","1.0.15","1.0.16","1.0.17","1.0.18","1.0.19","1.0.2","1.0.20","1.0.21","1.0.3","1.0.4","1.0.5","1.0.6","1.0.7","1.0.8","1.0.9","1.1.0","1.1.1","1.2.0","1.2.1","1.2.2","1.3.0","1.3.2","1.3.3","1.3.4","1.3.5","1.3.6","1.3.7","1.4.0","1.4.1","1.5.0","1.5.1","1.5.2","1.5.3","1.5.4","1.5.5","1.5.6","1.5.7","1.5.8","1.5.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-xph7-9rjv-w5fr/GHSA-xph7-9rjv-w5fr.json"}}],"schema_version":"1.9.0","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"}]}