{"id":"CVE-2026-41272","state":"PUBLISHED","title":"Flowise: SSRF Protection Bypass (TOCTOU & Default Insecure)","description":"Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, the core security wrappers (secureAxiosRequest and secureFetch) intended to prevent Server-Side Request Forgery (SSRF) contain multiple logic flaws. These flaws allow attackers to bypass the allow/deny lists via DNS Rebinding (Time-of-Check Time-of-Use) or by exploiting the default configuration which fails to enforce any deny list. This vulnerability is fixed in 3.1.0.","publishedAt":"2026-04-23T19:16:08.113Z","updatedAt":"2026-04-23T20:18:56.831Z","severity":{"score":7.1,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["FlowiseAI Flowise","FlowiseAI flowise-components"],"affected":[{"vendor":"FlowiseAI","product":"Flowise","versions":[{"version":"< 3.1.0","status":"affected"}]},{"vendor":"FlowiseAI","product":"flowise-components","versions":[{"version":"< 3.1.0","status":"affected"}]}],"references":["https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-2x8m-83vc-6wv4"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/41xxx/CVE-2026-41272.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41272","state":"PUBLISHED","datePublished":"2026-04-23T19:16:08.113Z","dateUpdated":"2026-04-23T20:18:56.831Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-18T14:01:46.801Z"},"containers":{"cna":{"title":"Flowise: SSRF Protection Bypass (TOCTOU & Default Insecure)","descriptions":[{"lang":"en","value":"Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, the core security wrappers (secureAxiosRequest and secureFetch) intended to prevent Server-Side Request Forgery (SSRF) contain multiple logic flaws. These flaws allow attackers to bypass the allow/deny lists via DNS Rebinding (Time-of-Check Time-of-Use) or by exploiting the default configuration which fails to enforce any deny list. This vulnerability is fixed in 3.1.0."}],"affected":[{"vendor":"FlowiseAI","product":"Flowise","versions":[{"version":"< 3.1.0","status":"affected"}]},{"vendor":"FlowiseAI","product":"flowise-components","versions":[{"version":"< 3.1.0","status":"affected"}]}],"references":[{"url":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-2x8m-83vc-6wv4","name":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-2x8m-83vc-6wv4","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","lang":"en","description":"CWE-918: Server-Side Request Forgery (SSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-23T19:16:08.113Z"},"source":{"advisory":"GHSA-2x8m-83vc-6wv4","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-2x8m-83vc-6wv4","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-23T20:18:28.171566Z","id":"CVE-2026-41272","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-23T20:18:56.831Z"}}]}}}