{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-45831: The SimpleRBACAuthorizationProvider authorization provider in versions 0","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-45831","status":"final","version":"1","initial_release_date":"2026-06-12T15:03:58.841Z","current_release_date":"2026-06-12T16:22:00.578Z","revision_history":[{"date":"2026-06-12T15:03:58.841Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"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.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-45831 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-45831"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-45831"},{"category":"external","summary":"hiddenlayer.com","url":"https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb-3"}]},"product_tree":{"branches":[{"category":"vendor","name":"Chroma","branches":[{"category":"product_name","name":"ChromaDB","branches":[{"category":"product_version_range","name":">=0.5.0 <=*","product":{"name":"Chroma ChromaDB >=0.5.0 <=*","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:chroma:chromadb:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-45831","title":"The SimpleRBACAuthorizationProvider authorization provider in versions 0","notes":[{"category":"description","text":"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.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"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","baseScore":8.8,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}