Security readout for executives and security teams
Plain-English summary
CVE-2026-1470 is a critical n8n flaw where an authenticated user can bypass expression sandboxing and run code on the server. For businesses, the risk is takeover of the n8n instance, access to connected secrets and data, workflow tampering, and system-level impact under the n8n process account.
Executive priority
Treat as urgent for any production n8n deployment with multiple users or internet exposure. Prioritize access restriction immediately, then patch or upgrade based on vendor guidance. Also assess credential exposure because n8n often connects to business-critical systems.
Technical view
The issue is in n8n workflow Expression evaluation. Authenticated workflow configuration input may execute outside sufficient isolation, enabling remote code execution with n8n process privileges. The CVSS 3.1 score is 9.9 with network access, low complexity, low privileges, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Instances are most exposed when n8n is network-accessible and users beyond trusted administrators can create or edit workflows using Expressions. The source bundle lists n8n and versions including 0, 2.0.0, and 2.5.0, but does not provide a clear affected range or fixed release.
Exploitation context
The sources support authenticated exploitation, not unauthenticated compromise. CISA KEV status is false in the provided bundle, and no cited source here confirms active exploitation. Because n8n commonly stores credentials and automates integrations, successful exploitation could have broad downstream impact.
Researcher notes
Evidence points to CWE-95 style improper neutralization in Expression evaluation and sandbox escape leading to RCE. Public sources include a patch commit and JFrog advisory, but the provided data does not name a fixed release or confirm exploitation in the wild.
Mitigation direction
- Check n8n vendor guidance and the JFrog advisory for affected and fixed versions.
- Apply the vendor patch or upgrade once the fixed release is identified.
- Restrict workflow creation and editing to trusted administrators only.
- Limit network access to n8n management interfaces.
- Review secrets and connected integrations after any suspected exposure.
Validation and detection
- Inventory all n8n deployments and externally reachable interfaces.
- Identify users allowed to create or edit workflows and Expressions.
- Compare deployed code or release notes against the referenced patch commit.
- Review workflow change history for unexpected Expression modifications.
- Check n8n and host logs for suspicious process activity.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-95: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-1470 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H3.16Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.9CriticalVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/n8n-io/n8n/commit/aa4d1e5825829182afa0ad5b81f602638f55fa04CVE reference · patch
- https://research.jfrog.com/vulnerabilities/n8n-expression-node-rce/CVE reference · third-party-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.