SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-59689

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…

HIGH 8.0EPSS 0.19%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.19%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
8.0 HIGHCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.19% probability · 9th percentile
CISA KEV
Not listed
Weakness
CWE-863
Affected
progress/connection manager for objectscale · progress/ecs connection manager · progress/moveit web application firewall · progress/loadmaster
Source
security@progress.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.