Medium severity6.3NVD Advisory· Published Oct 1, 2026· Updated Oct 1, 2026

CVE-2026-103254

Description

n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 contain a path traversal vulnerability in signed resume URL generation for Send-and-Wait approvals. Attackers with workflow creation permissions can mint valid approval URLs for gates in projects they cannot access by exploiting unresolved traversal sequences in caller-controlled node IDs, enabling cross-project approval forgery.

Affected products

N8n Io/N8nllm-fuzzy
Range: <1.123.80, 2.0.0 to <2.39.6, 2.40.0 to <2.40.1

Patches

Vulnerability mechanics

References

github.com/n8n-io/n8n/security/advisories/GHSA-597w-c3jh-g8fgnvd
www.vulncheck.com/advisories/n8n-before-1.123.80-2.39.6-and-2.40.1-path-traversal-via-resume-url-generationnvd

News mentions

No linked articles in our index yet.

cvss	0.410
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000