CVE-2026-19656 ScadaLTS Authenticated Remote Code Execution
Authenticated low-privilege users can execute arbitrary OS commands as root due to missing authorization checks in ScadaLTS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19656?
CVE-2026-19656 is a critical missing authorization vulnerability in SCADA-LTS ScadaLTS, published on 12 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
ScadaLTS 2.7.8.1 exposes a server-side method that lacks authorization checks, allowing any authenticated user (including one holding only low-privilege, read-only permissions) to execute arbitrary operating system commands on the host. Successful exploitation results in code execution in the context of the ScadaLTS server process (root), leading to full compromise of the underlying system.
Weakness: CWE-862
Which versions are affected by CVE-2026-19656?
It affects 1 product.
Products include Scada-Lts Scada-Lts.
How do I fix CVE-2026-19656?
No fix has been published for CVE-2026-19656 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-2026-19656 being exploited?
There is no known exploitation of CVE-2026-19656 in the wild and no public exploit code.
Other vulnerabilities in SCADA-LTS ScadaLTS
Sources
Also known as GHSA-9cw4-v739-q6qp.