Full Report
Thor provides an overview of the Q1 2026 vulnerability statistics, highlighting key trends in legacy CVEs and the evolving impact of AI on the threat landscape.
Analysis Summary
# Vulnerability: Q1 2026 Trend Analysis & n8n Webhook Abuse
## CVE Details
- **CVE ID:** Not specifically identified by ID for the primary "n8n" threat (described as abuse of legitimate functionality); however, the report references a significant volume of legacy CVEs (2009–2024).
- **CVSS Score:** N/A (Functional abuse of automation platforms)
- **CWE:** CWE-20 (Improper Input Validation), CWE-829 (Inclusion of Functionality from Untrusted Control Sphere).
## Affected Systems
- **Products:**
- **n8n:** AI workflow automation platform.
- **Networking Hardware:** General networking gear (comprising 20% of KEVs).
- **Software Supply Chain:** Trivy, Checkmarx, LiteLLM, Telnyx, and Axios (NPM).
- **Versions:** Current versions utilizing exposed webhooks.
- **Configurations:** Systems with URL-exposed webhooks and those lacking restrictive egress filtering on automation platforms.
## Vulnerability Description
The primary threat involves the weaponization of **n8n platform webhooks**. Attackers exploit the inherent trust in automation infrastructure to bypass perimeter security. By configuring malicious workflows, attackers use legitimate n8n URLs to host phishing lures, deliver malware (Remote Access Trojans), and perform device fingerprinting. Because the traffic originates from a trusted productivity service, it often bypasses reputation-based filters and static domain blocks.
## Exploitation
- **Status:** Actively exploited in the wild (facilitating malware campaigns).
- **Complexity:** Low (Leverages built-in platform features).
- **Attack Vector:** Network (Web-based webhooks/Phishing).
## Impact
- **Confidentiality:** High (Successful device fingerprinting and credential theft via phishing).
- **Integrity:** High (Ability to deliver and execute malicious payloads/RATs).
- **Availability:** Medium (Potential for system takeover and subsequent disruption).
## Remediation
### Patches
- While this is an abuse of legitimate functionality, users should ensure all supply chain tools (Trivy, Axios, etc.) are updated to versions released after March 2026 to remediate specific package compromises.
### Workarounds
- **Egress Filtering:** Restrict endpoint communication to only authorized automation service instances.
- **Webhook Security:** Disable or password-protect publicly accessible n8n webhooks that do not require external exposure.
- **Credential Rotation:** Immediate rotation of API keys and secrets if a supply chain tool (like Axios) was used during the compromise window.
## Detection
- **Anomalous Traffic Patterns:** Monitor for unusual data streams directed toward `n8n` or similar automation platforms.
- **Semantic Analysis:** Use AI-driven email security to identify malicious intent in messages containing legitimate automation links.
- **Indicators of Compromise (SHA256):**
- `9f1f11a708d393e0a4109ae189bc64f1f3e312653dcf317a2bd406f18ffcc507` (Win.Worm.Coinminer)
- `96fa6a7714670823c83099ea01d24d6d3ae8fef027f01a4ddac14f123b1c9974` (W32.Injector)
- `a31f222fc283227f5e7988d1ad9c0aecd66d58bb7b4d8518ae23e110308dbf91` (Win.Dropper.Miner)
## References
- Cisco Talos Blog: hxxps[://]blog[.]talosintelligence[.]com/the-n8n-n8mare/
- Talos File Reputation: hxxps[://]talosintelligence[.]com/talos_file_reputation
- Anthropic Frontier Red Team (Mythos Preview): hxxps[://]red[.]anthropic[.]com/2026/mythos-preview/