CVE-2026-118649
n8n before 2.43.5 and 2.44.x before 2.44.1 accepts a client-supplied workflow ID and caches each…
- Risk score
- 50/100
- CVSS
- 8.3 v3.1
- Published
- 28 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- n8n before 2.43.5 and 2.44.x before 2.44.1 accepts a client-supplied workflow ID and caches each workflow's owner project in memory by that ID, so a crafted ID such as __proto__ makes the Data Table project check match every project. An authenticated member who can create and run workflows can list, read, modify, and …
- Affected
- See advisory
- Fix
- Upgrade the product to 2.43.5, 2.44 or 2.44.1 (whichever matches your release line), or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 8.3 high
References
Original description
n8n before 2.43.5 and 2.44.x before 2.44.1 accepts a client-supplied workflow ID and caches each workflow's owner project in memory by that ID, so a crafted ID such as __proto__ makes the Data Table project check match every project. An authenticated member who can create and run workflows can list, read, modify, and delete Data Table rows in all projects of the instance.
Last activity 28 Oct 2026. Patch Forecast updates every hour.