CVE-2026-103254
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…
- Risk score
- 42/100
- CVSS
- 6.3 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 1 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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 unre…
- Affected
- See advisory
- Fix
- Upgrade the product to 1.123.80, 2.39.6 or 2.40.1 (whichever matches your release line), or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 6.3 medium
References
Original 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.
Last activity 1 Oct 2026. Patch Forecast updates every hour.