{"cve":"CVE-2026-45829","nvd":{"published":"2026-05-18T17:16:34.040","modified":"2026-10-26T13:10:00.140","status":"Awaiting Analysis","description":"A pre-authentication, code injection vulnerability in version 1.0.0 or later of the ChromaDB Python project allows an unauthenticated attacker to run arbitrary code on the server by sending a malicious model repository and trust_remote_code set to true in the /api/v2/tenants/{tenant}/databases/{db}/collections endpoint.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","score":10.0},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","score":10.0},"cwes":["CWE-94","CWE-502"],"references":["https://github.com/chroma-core/chroma/issues/6717","https://www.hiddenlayer.com/research/chromatoast-served-pre-auth","https://access.redhat.com/security/cve/CVE-2026-45829","https://bugzilla.redhat.com/show_bug.cgi?id=2479623","https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45829.json"],"products":[],"source":"nvd","synced_at":"2026-10-26T13:39:24.642594360+00:00"},"epss":{"cve":"CVE-2026-45829","score":0.15149,"percentile":0.96718,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-f4j7-r4q5-qw2c","url":"https://osv.dev/vulnerability/GHSA-f4j7-r4q5-qw2c","summary":"ChromaDB Python project has a pre-authentication code injection vulnerability","modified":"2026-10-05T21:45:03.620198036Z","packages":[{"ecosystem":"PyPI","name":"chromadb","purl":"pkg:pypi/chromadb","ranges":[">=1.0.0 <=1.5.9"],"fixed":[]}]},{"id":"PYSEC-2026-311","url":"https://osv.dev/vulnerability/PYSEC-2026-311","summary":"ChromaDB Python project has a pre-authentication code injection vulnerability","modified":"2026-07-01T20:22:50.354214Z","packages":[{"ecosystem":"PyPI","name":"chromadb","purl":"pkg:pypi/chromadb","ranges":[">=1.0.0 <=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."]}