Auth bypass in Progress Connection Manager For Objectscale
CVE-2026-59690
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.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (17.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Progress Connection Manager For Objectscale
- Progress Ecs Connection Manager
- Progress Loadmaster
- Progress Moveit Web Application Firewall
- Progress Multi-Tenant Loadmaster
- Progress Software Ecs Connection Manager — versions 7.2.60.0
- Progress Software Loadmaster — versions 7.0.6
- Progress Software Moveit Waf — versions 7.2.60.0
- Progress Software Multi Tenant — versions 7.1.29
- Progress Software Object Scale Connection Manager — versions 7.2.60.0
Weakness classification (CWE)
References
- community.progress.com/s/article/LoadMaster-Critical-Security-Bulletin-July-202… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-59690?
- CVE-2026-59690 is a high-severity vulnerability in Progress Connection Manager For Objectscale, classified under Missing Authorization. CVSS score: 8.0/10. Published 2026-07-27.
- How severe is CVE-2026-59690?
- High severity. CVSS v3 base score is 8.0 out of 10.