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

EPSS: 0.002 (13.1th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

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.