Flowise: Unauthenticated OAuth2 token refresh endpoint returns access tokens — enables token theft for any connected ...
Critical vendor advisory
CVE-2026-70478
Summary
Flowise: Unauthenticated OAuth2 token refresh endpoint returns access tokens — enables token theft for any connected service
Why it matters
GitHub has published a reviewed security advisory for flowise. Prioritize it with other application dependency updates.
Operator check
Check whether flowise is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 9.2.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.