{"data":{"id":"3661703c-5c7c-4dc2-bddd-b9116db46ff4","title":"GHSA-6r77-hqx7-7vw8: Flowise:  APIChain Prompt Injection SSRF in GET/POST API Chains","summary":"FlowiseAI's POST and GET API Chain components build request URLs from LLM output without validating them against the intended API documentation. Unauthenticated attackers can inject a crafted documentation prompt that overrides the BASE URL, causing the server to send arbitrary HTTP requests to internal and external hosts, as demonstrated against /flag on host.docker.internal:8080. The source affects FlowiseAI instances at version 2.2.1 and below.","solution":"N/A -- no mitigation discussed in source.","labels":["security"],"sourceUrl":"https://github.com/advisories/GHSA-6r77-hqx7-7vw8","publishedAt":"2026-04-16T21:52:11.000Z","cveId":null,"cweIds":null,"cvssScore":null,"cvssSeverity":"high","severity":"high","attackType":["prompt_injection"],"issueType":"vulnerability","affectedPackages":["flowise-components@<= 3.0.13 (fixed: 3.1.0)","flowise@<= 3.0.13 (fixed: 3.1.0)"],"affectedPackageNames":["flowise-components","flowise"],"affectedPackageRefs":["npm:flowise","npm:flowise-components"],"affectedVendors":[],"affectedVendorsRaw":["Flowise"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":null,"headlinePromptVersion":null,"cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":null,"epssScore":null,"epssCheckedAt":null,"kevDateAdded":null,"advisoryAliases":["GHSA-6r77-hqx7-7vw8"],"affectedPackagesSource":null,"affectedPackagesCheckedAt":null,"patchAvailable":true,"disclosureDate":"2026-04-16T21:52:11.000Z","capecIds":null,"crossRefCount":0,"attackSophistication":"trivial","impactType":["confidentiality","integrity"],"aiComponentTargeted":"plugin","llmSpecific":false,"classifierConfidence":0.93,"researchCategory":null,"atlasIds":["AML.T0051"]}}