{"id":"CVE-2026-45831","aliases":["GHSA-xph7-9rjv-w5fr","PYSEC-2026-3815"],"url":"https://o3.security/vulnerability/CVE-2026-45831","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.","published":"2026-06-12T15:03:58.841Z","modified":"2026-09-10T12:25:45.510140945Z","cvss":null,"epss":{"score":0.00237,"percentile":0.14543,"asOf":"2026-09-02"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"chromadb","fixedVersion":null}],"fix":{"url":"https://github.com/chroma-core/chroma/pull/7602","label":"chroma-core/chroma#7602"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45831.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45831"},{"type":"ADVISORY","url":"https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-3"},{"type":"PACKAGE","url":"https://github.com/chroma-core/chroma"},{"type":"WEB","url":"https://github.com/chroma-core/chroma/issues/7588"},{"type":"WEB","url":"https://github.com/chroma-core/chroma/pull/7602"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T12:25:45.510140945Z"}}