CVE-2026-18783 Missing Server-Side Authentication on REST API Endpoint in Trex Digital Manufacturing's Trex MES
Attackers can bypass authentication on the Trex MES REST API to access critical functions without credentials.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-18783?
CVE-2026-18783 is a high-severity missing authorization vulnerability in Trex MES, published on 30 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Missing authentication for critical function vulnerability in Trex Digital Smart Manufacturing Systems Inc. Trex MES allows Authentication Bypass.
This issue affects Trex MES: through 2026-09-29.
Weakness: CWE-306
Which versions are affected by CVE-2026-18783?
How do I fix CVE-2026-18783?
No fix has been published for CVE-2026-18783 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-18783 being exploited?
There is no known exploitation of CVE-2026-18783 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-gv42-94fm-mwrj.