CVE-2026-59253
CVE-2026-59253 is a medium-severity vulnerability in N8n with a CVSS 3.x base score of 5.0. The underlying weakness is classified as CWE-639.
Key facts
- Severity: Medium (CVSS 3.x base score 5.0)
- CVSS v4: 5.3
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-639
- Affected product: N8n
- Published:
- Last modified:
Description
n8n before 2.28.0 contains an improper authorization vulnerability allowing authenticated users to assign workflows to folders in other projects. Attackers can bypass project and folder authorization boundaries by supplying crafted request payloads during workflow creation, causing logical integrity violations in target project folder structures.
Frequently asked questions
- What is CVE-2026-59253?
- n8n before 2.28.0 contains an improper authorization vulnerability allowing authenticated users to assign workflows to folders in other projects. Attackers can bypass project and folder authorization boundaries by supplying crafted request payloads during workflow creation, causing logical integrity violations in target project folder structures.
- How severe is CVE-2026-59253?
- CVE-2026-59253 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2026-59253 being actively exploited?
- It is not currently listed in CISA's Known Exploited Vulnerabilities catalog, and no EPSS exploit-prediction score is available yet.
- What products are affected by CVE-2026-59253?
- CVE-2026-59253 affects N8n. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-59253?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2026-59253 published?
- CVE-2026-59253 was published on 2026-07-08.
References
- https://github.com/n8n-io/n8n/security/advisories/GHSA-2xgm-wc4g-5jvg
- https://www.vulncheck.com/advisories/n8n-improper-authorization-in-workflow-assignment-to-folders
Affected products (1)
- cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*
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