CVE-2026-41279 | FlowiseAI Flowise up to 3.0.x generate authorization (GHSA-5fw2-mwhh-9947)

VDB-359223 · CVE-2026-41279 · GHSA-5FW2-MWHH-9947 FLOWISEAI FLOWISE UP TO 3.0.X GENERATE AUTHORIZATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.6 $0-$5k 4.11+ Summaryinfo A vulnerability marked as problematic has been reported in FlowiseAI Flowise up to 3.0.x. The impacted element is an unknown function of the file /api/v1/text-to-speech/generate. Performing a manipulation results in authorization. This vulnerability was named CVE-2026-41279. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component. Detailsinfo A vulnerability was found in FlowiseAI Flowise up to 3.0.x. It has been classified as problematic. This affects an unknown code of the file /api/v1/text-to-speech/generate. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. This is going to have an impact on availability. The summary by CVE is: Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, the text-to-speech generation endpoint (POST /api/v1/text-to-speech/generate) is whitelisted (no auth) and accepts a credentialId directly in the request body. When called without a chatflowId, the endpoint uses the provided credentialId to decrypt the stored credential (e.g., OpenAI or ElevenLabs API key) and generate speech. This vulnerability is fixed in 3.1.0. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-41279 since 04/18/2026. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. Upgrading to version 3.1.0 eliminates this vulnerability. Productinfo Vendor FlowiseAI Name Flowise Version 3.0 Website Product: https://github.com/FlowiseAI/Flowise/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 3.7 VulDB Meta Temp Score: 3.6 VulDB Base Score: 3.7 VulDB Temp Score: 3.6 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Authorization CWE: CWE-639 / CWE-285 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: Flowise 3.1.0 Timelineinfo 04/18/2026 CVE reserved 04/23/2026 +5 days Advisory disclosed 04/23/2026 +0 days VulDB entry created 04/23/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-5fw2-mwhh-9947 Status: Confirmed CVE: CVE-2026-41279 (🔒) GCVE (CVE): GCVE-0-2026-41279 GCVE (VulDB): GCVE-100-359223 Entryinfo Created: 04/23/2026 23:24 Changes: 04/23/2026 23:24 (67) Complete: 🔍 Cache ID: 99:DE5:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸