CVE-2026-56278
CVE-2026-56278 · Flowise - Session Hijacking via Weak Default Express Session Secret
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Flowise before 3.1.0 (affected versions 3.0.13 and earlier) uses a weak hardcoded default secret ('flowise') for the express-session middleware when the EXPRESS_SESSION_SECRET environment variable is not set (packages/server/src/enterprise/middleware/passport/index.ts). Because this default secret is publicly visible in the source code, an attacker can forge valid signed session cookies to impersonate any user and bypass authentication.
CVSS 9.3 · Crítica · EPSS 0,5% · Corrección disponible
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Pila tecnológica: node