{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-46441: Flowise: Mass Assignment in Assistant Update Endpoint Allows Cross-Workspace Resource Reassignment","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-46441","status":"final","version":"1","initial_release_date":"2026-06-08T15:30:36.357Z","current_release_date":"2026-06-08T16:28:12.422Z","revision_history":[{"date":"2026-06-08T15:30:36.357Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, a mass assignment vulnerability exists in the assistant update endpoint of FlowiseAI. The endpoint allows authenticated users to modify server-controlled properties such as workspaceId, createdDate, and updatedDate when updating an assistant resource. Due to missing server-side validation and authorization checks, an attacker can manipulate the workspaceId field and reassign assistants to arbitrary workspaces. This breaks tenant isolation in multi-workspace environments. This issue has been patched in version 3.1.2.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-46441 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-46441"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-46441"},{"category":"external","summary":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-hp26-q66v-q2w7","url":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-hp26-q66v-q2w7"},{"category":"external","summary":"https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.2","url":"https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.2"}]},"product_tree":{"branches":[{"category":"vendor","name":"FlowiseAI","branches":[{"category":"product_name","name":"Flowise","branches":[{"category":"product_version","name":"< 3.1.2","product":{"name":"FlowiseAI Flowise < 3.1.2","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:flowiseai:flowise:\\<_3.1.2:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-46441","title":"Flowise: Mass Assignment in Assistant Update Endpoint Allows Cross-Workspace Resource Reassignment","notes":[{"category":"description","text":"Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, a mass assignment vulnerability exists in the assistant update endpoint of FlowiseAI. The endpoint allows authenticated users to modify server-controlled properties such as workspaceId, createdDate, and updatedDate when updating an assistant resource. Due to missing server-side validation and authorization checks, an attacker can manipulate the workspaceId field and reassign assistants to arbitrary workspaces. This breaks tenant isolation in multi-workspace environments. This issue has been patched in version 3.1.2.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","baseScore":7.6,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}