CVE-2026-59690 Missing authorization in ECS Connection Manager
Authenticated low-privilege attackers can perform administrative operations via REST API, leading to privilege escalation and potential 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-2026-59690?
CVE-2026-59690 is a high-severity missing authorization 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
A Missing Authorization vulnerability in Progress Software LoadMaster, ECS Connection Manager, Object Scale Connection Manager, MOVEit WAF, and Multi Tenant allows an authenticated attacker with low privileges to perform privileged administrative operations via the REST API that should not be accessible to their permission level, potentially resulting in a system compromise.
Weakness: CWE-862
Which versions are affected by CVE-2026-59690?
It affects 5 products.
Products include Progress Connection Manager for Objectscale, Progress Ecs Connection Manager, Progress Loadmaster, Progress Moveit Web Application Firewall, Progress Multi-Tenant Loadmaster.
How do I fix CVE-2026-59690?
No fix has been published for CVE-2026-59690 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-2026-59690 being exploited?
There is no known exploitation of CVE-2026-59690 in the wild and no public exploit code.
Other vulnerabilities in Progress Software ECS Connection Manager
Sources
Also known as GHSA-68jj-c942-f24v.