{"cve":"CVE-2026-45830","nvd":{"published":"2026-06-12T16:16:28.660","modified":"2026-10-26T11:10:00.157","status":"Modified","description":"A lack of authorization validation in version 0.4.17 or later of the ChromaDB Python project allows any authenticated users to arbitrarily read, write, update, or delete data in any tenant's collection regardless of which tenant they belong to.","cvss_v4":{"vector":"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","score":8.8},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-639","CWE-266"],"references":["https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb","https://access.redhat.com/security/cve/CVE-2026-45830","https://bugzilla.redhat.com/show_bug.cgi?id=2488408","https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45830.json"],"products":["trychroma:chromadb"],"source":"nvd","synced_at":"2026-10-26T11:33:08.859761529+00:00"},"epss":{"cve":"CVE-2026-45830","score":0.00345,"percentile":0.27749,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-2wm9-hf6c-p5cr","url":"https://osv.dev/vulnerability/GHSA-2wm9-hf6c-p5cr","summary":"ChromaDB allows any authenticated users to arbitrarily read, write, update, or delete data in any tenant's collection","modified":"2026-09-10T12:25:31.394776670Z","packages":[{"ecosystem":"PyPI","name":"chromadb","purl":"pkg:pypi/chromadb","ranges":[">=0.4.17 <=1.5.9"],"fixed":[]}]},{"id":"PYSEC-2026-3813","url":"https://osv.dev/vulnerability/PYSEC-2026-3813","summary":"ChromaDB allows any authenticated users to arbitrarily read, write, update, or delete data in any tenant's collection","modified":"2026-09-10T12:15:06.103369504Z","packages":[{"ecosystem":"PyPI","name":"chromadb","purl":"pkg:pypi/chromadb","ranges":[">=0.4.17 <=1.5.9"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}