{"id":"EUVD-2026-25296","enisaUuid":"80d2a521-12dd-3711-923d-e31eeb40bbcc","description":"Flowise is a drag \u0026 drop user interface to build a customized large language model flow. Prior to 3.1.0, a Mass Assignment vulnerability in the DocumentStore creation endpoint allows authenticated users to control the primary key (id) and internal state fields of DocumentStore entities. Because the service uses repository.save() with a client-supplied primary key, the POST create endpoint behaves as an implicit UPSERT operation. This enables overwriting existing DocumentStore objects. In multi-workspace or multi-tenant deployments, this can lead to cross-workspace object takeover and broken object-level authorization (IDOR), allowing an attacker to reassign or modify DocumentStore objects belonging to other workspaces. This vulnerability is fixed in 3.1.0.","datePublished":"Apr 23, 2026, 7:48:57 PM","dateUpdated":"Apr 25, 2026, 1:31:29 AM","baseScore":7.6,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","references":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-3prp-9gf7-4rxx\n","aliases":"CVE-2026-41277\n","assigner":"GitHub_M","epss":3.11,"enisaIdProduct":[{"id":"f50398fc-8cd2-3a6a-85cb-71b320c15c1a","product":{"name":"Flowise","vendor":{"name":"FlowiseAI"}},"product_version":"\u003c 3.1.0"}],"enisaIdVendor":[{"id":"61adf99e-ea7b-347d-8747-f82dbb037ade","vendor":{"name":"FlowiseAI"}}],"enisaIdVulnerability":[{"id":"bcd39dc0-67c4-3c60-b91b-6dff3bee1303","vulnerability":{"id":"CVE-2026-41277","description":"Flowise is a drag \u0026 drop user interface to build a customized large language model flow. Prior to 3.1.0, a Mass Assignment vulnerability in the DocumentStore creation endpoint allows authenticated users to control the primary key (id) and internal state fields of DocumentStore entities. Because the service uses repository.save() with a client-supplied primary key, the POST create endpoint behaves as an implicit UPSERT operation. This enables overwriting existing DocumentStore objects. In multi-workspace or multi-tenant deployments, this can lead to cross-workspace object takeover and broken object-level authorization (IDOR), allowing an attacker to reassign or modify DocumentStore objects belonging to other workspaces. This vulnerability is fixed in 3.1.0.","datePublished":"Apr 23, 2026, 7:48:57 PM","dateUpdated":"Apr 25, 2026, 1:31:29 AM","status":"PUBLISHED","baseScore":7.6,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","references":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-3prp-9gf7-4rxx\n","enisa_id":"EUVD-2026-25296\n","assigner":"GitHub_M","epss":3.11,"dataProcessed":"Oct 27, 2026, 7:17:29 AM","vulnerabilityProduct":[{"id":"a8d16007-ad28-368f-b728-03d02e815b68","product":{"name":"Flowise","vendor":{"name":"FlowiseAI"}},"product_version":"\u003c 3.1.0"}],"vulnerabilityVendor":[{"id":"589143d6-0ec6-3ac6-8b65-b29842d2ecd9","vendor":{"name":"FlowiseAI"}}]}}],"enisaIdAdvisory":[]}