CVE-2026-59689

HIGHCVSS 8/10EPSS 0.17%

Last modified

CVE-2026-59689 is a high-severity vulnerability rated 8/10 on the CVSS scale. 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.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
8/10

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.17%

6.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
ProgressConnection Manager For Objectscale< 7.2.63.3
ProgressEcs Connection Manager< 7.2.63.3
ProgressMoveit Web Application Firewall< 7.2.63.3
ProgressLoadmaster< 7.2.54.19
ProgressLoadmaster>= 7.2.55.0, < 7.2.63.3

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is 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 appliance, potentially resulting in full system compromise.
How severe is CVE-2026-59689?
CVE-2026-59689 has a CVSS score of 8/10 (HIGH severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2026-59689?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST