CVE-2026-59689 Privilege escalation in ECS Connection Manager
An authenticated low-privilege attacker can escalate to root on Progress LoadMaster, ECS, Object Scale, and MOVEit WAF appliances, leading to full system compromise.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-59689?
CVE-2026-59689 is a high-severity vulnerability in Progress Software ECS Connection Manager, published on 27 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An Incorrect Authorization vulnerability in Progress Software LoadMaster, ECS Connection Manager, Object Scale Connection Manager, and MOVEit WAF allows an authenticated attacker with low privileges to escalate privileges to root on the affected appliance, potentially resulting in full system compromise.
Weakness: CWE-863
Which versions are affected by CVE-2026-59689?
It affects 4 products.
Products include Progress Connection Manager for Objectscale, Progress Ecs Connection Manager, Progress Loadmaster, Progress Moveit Web Application Firewall.
How do I fix CVE-2026-59689?
No fix has been published for CVE-2026-59689 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-59689 being exploited?
There is no known exploitation of CVE-2026-59689 in the wild and no public exploit code.
Other vulnerabilities in Progress Software ECS Connection Manager
Sources
Also known as GHSA-xm37-wf3w-9rh5.