{"id":"CVE-2026-73603","aliases":["GHSA-8gj2-2cvc-6xx7"],"url":"https://o3.security/vulnerability/CVE-2026-73603","summary":"Flowise before 3.1.4 Credential Abuse via Text-to-Speech","details":"Flowise before 3.1.4 fails to validate chatflow visibility in the unauthenticated text-to-speech endpoint, allowing attackers to abuse private chatflow TTS credentials. Unauthenticated attackers can generate unlimited text-to-speech audio using stored OpenAI or ElevenLabs API keys by providing a valid chatflow UUID, incurring costs on the chatflow owner's account.","published":"2026-08-13T11:28:09.428Z","modified":"2026-09-06T03:46:37.278276150Z","cvss":null,"epss":{"score":0.00338,"percentile":0.27117,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"flowise","fixedVersion":"3.1.4"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73603.json"},{"type":"ADVISORY","url":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-8gj2-2cvc-6xx7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73603"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/flowise-before-credential-abuse-via-text-to-speech"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-06T03:46:37.278276150Z"}}