{"cve":"CVE-2026-92782","nvd":{"published":"2026-09-16T21:17:27.280","modified":"2026-09-24T21:00:46.893","status":"Awaiting Analysis","description":"Chroma through 1.5.9 fails to validate tenant and database segments when resolving collections, allowing authenticated attackers to access collections from other tenants by knowing the collection identifier. Attackers can read, modify, and update records in foreign collections by issuing requests under their own tenant path, bypassing authorization checks.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":8.6},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","score":8.1},"cwes":["CWE-863"],"references":["https://github.com/chroma-core/chroma","https://github.com/chroma-core/chroma/blob/1.5.9/rust/frontend/src/get_collection_with_segments_provider.rs#L143-L160","https://github.com/chroma-core/chroma/blob/1.5.9/rust/frontend/src/server.rs#L469-L487","https://github.com/chroma-core/chroma/issues/7462","https://www.vulncheck.com/advisories/chroma-through-1.5.9-authorization-bypass-via-collection-identifier"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:54:41.405518556+00:00"},"epss":{"cve":"CVE-2026-92782","score":0.00448,"percentile":0.38952,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}