CVE-2026-110849
Last modified
CVE-2026-110849 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. n8n before 1.123.83, 2.41.4, and 2.42.1 contains a stored cross-site scripting vulnerability in the file-preview modal, which re-publishes binary data as an unsandboxed same-origin blob URL. A member who uploads a crafted item can run script in the n8n origin of whoever previews it, typically the owner, and act with their session.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
Description
n8n before 1.123.83, 2.41.4, and 2.42.1 contains a stored cross-site scripting vulnerability in the file-preview modal, which re-publishes binary data as an unsandboxed same-origin blob URL. A member who uploads a crafted item can run script in the n8n origin of whoever previews it, typically the owner, and act with their session.
Metrics
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-110849?
How severe is CVE-2026-110849?
How do I fix CVE-2026-110849?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-110843n8n before 2.41.4 and 2.42.x before 2.42.1 contains an uncon…8.2
- CVE-2026-110844n8n before 1.123.83 contains an authorization bypass vulnera…7.2
- CVE-2026-110845n8n before 1.123.83, 2.x before 2.41.4, and 2.42.x before 2.…7.7
- CVE-2026-110846n8n before 2.41.4 and 2.42.x before 2.42.1 contains a signat…7
- CVE-2026-110847n8n before 1.123.83, 2.x before 2.41.4, and 2.42.x before 2.…7
- CVE-2026-110848n8n before 1.123.83, 2.x before 2.41.4, and 2.42.x before 2.…6
- CVE-2026-11085Integer overflow in GPU in Google Chrome on Android prior to…8.8
- CVE-2026-110850n8n before 2.41.4 and 2.42.0 before 2.42.1 does not validate…7.2
- CVE-2026-110851n8n before 2.41.4 and 2.42.x before 2.42.1 contains an autho…6.1
- CVE-2026-110852n8n before 1.123.83, 2.x before 2.41.4, and 2.42.x before 2.…6.3
- CVE-2026-110853n8n before 1.123.83 contains an authorization bypass vulnera…7.1
- CVE-2026-110854Parse Server before 8.6.97 and 9.0.0 before 9.10.2-alpha.6 d…8.2
Are you affected by CVE-2026-110849?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST