gcdRadar
archive/Patch now/AIR-2026-0582
closedclosed 16 Apr 2026Patch now2 Disclosed vulnerabilityAI

Flowise Weak Default Express Session Secret

Flowise

Flowise uses a weak hardcoded default session secret when the environment variable is unset. This allows attackers to forge session cookies.

disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why

fix status
Fix status unknown
first report
16 Apr 2026
last update
16 Apr 2026

Timeline · 1

  1. 16 Apr 2026GHSA-2qqc-p94c-hxwh: Flowise: Weak Default Express Session Secret

Sources · 1

Advisories and databases

  1. 2026-04-16
    GHSA-2qqc-p94c-hxwh: Flowise: Weak Default Express Session Secret
    GitHub Advisory Database · github.com/advisories/GHSA-2qqc-p94c-hxwh

Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.

Classification

lane
Patch now
AI role
Attack on AI
categories
Infrastructure vulnerability
severity
2 · Disclosed vulnerability
fix status
Fix status unknown
targets
Framework / tooling
owasp llm top 10
LLM03:2025 Supply Chain
mitre atlas
no technique for these categories
tags
ghsa-2qqc-p94c-hxwhsession-mgmt
dates
happened 16 Apr 2026 · first reported 16 Apr 2026
origin
GitHub Advisory Database
Vulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
record
confidence 0.95 · created 2026-10-18 07:00Z · updated 2026-10-18 07:00Z

Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned

Copy a brief

This record as a short Markdown brief, for a ticket, a chat or a coding agent.

the brief as text
# Flowise Weak Default Express Session Secret

https://gcdradar.vercel.app/incidents/flowise-weak-default-express-session-secret · AIR-2026-0582 · closed 2026-04-16

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-04-16
- AI role: Attack on AI
- Products: Flowise

## Summary

Flowise uses a weak hardcoded default session secret when the environment variable is unset. This allows attackers to forge session cookies.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-04-16: GHSA-2qqc-p94c-hxwh: Flowise: Weak Default Express Session Secret (https://github.com/advisories/GHSA-2qqc-p94c-hxwh)

## Sources

- 2026-04-16 GitHub Advisory Database: GHSA-2qqc-p94c-hxwh: Flowise: Weak Default Express Session Secret https://github.com/advisories/GHSA-2qqc-p94c-hxwh

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.

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