{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-12821","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-06-21T13:10:54.859Z","datePublished":"2026-06-21T23:15:08.186Z","dateUpdated":"2026-06-22T10:22:43.162Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-06-21T23:15:08.186Z"},"title":"FlowiseAI Flowise S3 Document Loader S3.ts path traversal","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-22","lang":"en","description":"Path Traversal"}]}],"affected":[{"vendor":"FlowiseAI","product":"Flowise","versions":[{"version":"3.1.0","status":"affected"},{"version":"3.1.1","status":"affected"},{"version":"3.1.2","status":"affected"}],"cpes":["cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*"],"modules":["S3 Document Loader"]}],"descriptions":[{"lang":"en","value":"A vulnerability was determined in FlowiseAI Flowise up to 3.1.2. The impacted element is an unknown function of the file packages/components/nodes/documentloaders/S3/S3.ts of the component S3 Document Loader. Executing a manipulation can lead to path traversal. It is possible to launch the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":5.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":6.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":6.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":6.5,"vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}],"timeline":[{"time":"2026-06-21T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-06-21T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-06-21T15:15:58.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"ST4R (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}],"references":[{"url":"https://vuldb.com/vuln/372611","name":"VDB-372611 | FlowiseAI Flowise S3 Document Loader S3.ts path traversal","tags":["vdb-entry"]},{"url":"https://vuldb.com/vuln/372611/cti","name":"VDB-372611 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-12821","name":"CVE-2026-12821 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/837578","name":"Submit #837578 | FlowiseAI/Flowise - `packages/components/nodes/documentloaders/S3/S3.ts` - `S3Directory / S3File document loader temporary-file handling` 3.1.2 Path Traversal / Arbitrary Local File Write / Unsafe Cleanup","tags":["third-party-advisory"]},{"url":"https://github.com/dxz0069/softwareoverflow/blob/main/flowise_s3_loader_object_key_path_traversal_vulndb.md","tags":["related"]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-22T10:22:27.169234Z","id":"CVE-2026-12821","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-22T10:22:43.162Z"}}]}}