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CRITICAL severity

CVE-2024-8181 — flowise

CRITICAL

CVE-2024-8181 is a critical-severity (CVSS 9.8) Improper Authentication vulnerability in flowise. EPSS puts its 30-day exploitation probability at 45.1% (99th percentile). The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Flowise Authentication Bypass

Also known asGHSA-2q4w-x8h2-2fvh
Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
None indexed
Exploitation data as of Nov 2, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.
  • A successful exploit gives an attacker total control of the affected component, not partial access.
  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2024-8181.

EPSS Exploitation Probability

via FIRST.org ↗
45.1%probability of exploitation in next 30 days
High Risk0.00%
Lower risk than most CVEs99th percentile — riskier than 99% of all scored CVEsHighest risk
37.4%47.0%56.6%66.3%60.8%45.1%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected

How broadly this vulnerability is actually deployed: weekly install volume shows current usage, and reverse-dependency count shows how many other packages break if it stays unpatched.

0other npm packages depend on this — each one inherits the vulnerability until it's patched upstream
flowisenpm
9Kdownloads / week

Description

An Authentication Bypass vulnerability exists in Flowise version 1.8.2. This could allow a remote, unauthenticated attacker to access API endpoints as an administrator and allow them to access restricted functionality.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
📦npmflowiseall versionsNo fix

Affected Products

1 product · 1 configurations
Application
flowiseflowiseai
1 version
1.8.2

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for flowise, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    The records we use list no patched version of flowise for CVE-2024-8181. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

How to detect CVE-2024-8181

A community-maintained Nuclei template exists for this CVE. You can scan for it directly:

nuclei -id cve-2024-8181 -u https://target
Template
Flowise <= 1.8.2 Authentication Bypass
Severity
high
Impact
Unauthenticated attackers can bypass authentication to access administrative API endpoints, gaining unauthorized access to restricted functionality, API keys, and administrative operations.
Remediation
Update Flowise to a version later than 1.8.2 to address the authentication bypass vulnerability.

Template by ProjectDiscovery nuclei-templates (iamnoooob, rootxharsh, pdresearch), MIT licensed. View the full template. Scan only systems you are authorised to test.

Frequently Asked Questions

An Authentication Bypass vulnerability exists in Flowise version 1.8.2. This could allow a remote, unauthenticated attacker to access API endpoints as an administrator and allow them to access restricted functionality.
O3 Security · Impact-Aware SCA

Is CVE-2024-8181 in your dependencies?

Find it across npm, including transitive dependencies.

CVE-2024-8181: flowise: Flowise Authentication Bypass