PT-2026-34747 · Flowise · Flowise

Published 2026-04-17 · Updated 2026-04-23 · CVE-2026-41279

Positive Technologies (AI Summary)

CVSS v4.0

8.2

High

Base vector

AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions Flowise versions prior to 3.1.0

Description The text-to-speech generation endpoint 'POST /api/v1/text-to-speech/generate' is whitelisted and does not require authentication. It accepts a credentialId directly in the request body. When the endpoint is called without a chatflowId, it uses the provided credentialId to decrypt stored credentials, such as OpenAI or ElevenLabs API keys, to generate speech.

Recommendations Update to version 3.1.0.

Fix

IDOR

Weakness Enumeration

CWE-639

Related Identifiers

CVE-2026-41279

GHSA-5FW2-MWHH-9947

Affected Products

Flowise

References · 5

• https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-5fw2-mwhh-9947 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-41279 · Security Note
• https://osv.dev/vulnerability/GHSA-5fw2-mwhh-9947 · Vendor Advisory
• https://github.com/FlowiseAI/Flowise · Note
• https://twitter.com/CVEnew/status/2047428066708984030 · Twitter Post