n8n before 2.36.2 Query Injection via Elasticsearch Firestore Nodes
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
n8n before 2.35.4 and 2.36.x before 2.36.2 contain a query injection vulnerability in the Elasticsearch Document Get All and Google Cloud Firestore Document Query operations, which build their JSON query by interpolating expression values directly into the query string before parsing. A value containing quote and brace characters can close the intended field and introduce new query operators, turning an intended single-document lookup into a full-collection read.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA n8n (n8n-io) Fixed in 2.36.2
- Fix · CNA n8n (n8n-io) Fixed in 2.35.4
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
n8n-io n8n 2.35.4, 2.36.2
8 records Highest priority Priority MEDIUM 1 MEDIUM, 7 LOW
Other records, highest priority first
- TI-2026-58502 n8n before 1.123.73 Remote Code Execution via $fromAI Prototype LeakPriority MEDIUM 41
- TI-2026-58501 n8n before 1.123.73 Remote Code Execution via Git NodePriority LOW 37
- TI-2026-58498 n8n before 2.36.2 Expression Sandbox Bypass via SpreadElementPriority LOW 34
Timeline
- 2026-10-02 Threatist record created from CVE-2026-85167
- 2026-10-03 Alias added: GHSA-7mp8-q29w-rc68
- 2026-10-29 Affected versions changed · CNA
References
More N8n vulnerabilities
- TI-2025-42131 n8n Vulnerable to Remote Code Execution via Expression Injection KEVCVSS 3.1CRITICAL 10.0
- TI-2026-17560 n8n Vulnerable to Unauthenticated File Access via Improper Webhook Request Handling CVSS 3.1CRITICAL 10.0
- TI-2026-01167 Authenticated users can bypass the Expression sandbox mechanism to achieve full remote… CVSS 3.1CRITICAL 9.9
- TI-2026-00644 Sandbox escape in n8n Python task runner allows for arbitrary code execution on the underlying host. CVSS 3.1CRITICAL 9.9
- TI-2025-35293 An arbitrary file upload vulnerability in the Chat Trigger component of N8N v1.95.3… CVSS 3.1HIGH 8.8
- TI-2023-12275 The n8n package 0.218.0 for Node.js allows Escalation of Privileges. CVSS 3.1HIGH 8.8
Sources
- CVE-2026-85167 · CVE Program
- CVE-2026-85167 · NVD
- FIRST EPSS
- GHSA-7mp8-q29w-rc68 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences