CVE-2026-59690

HIGHCVSS 8/10EPSS 0.18%

Last modified

CVE-2026-59690 is a high-severity vulnerability rated 8/10 on the CVSS scale. 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.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

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.

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
0.18%

7.2th 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
ProgressMulti-Tenant Loadmaster< 7.1.35.16
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-2026-59690?
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.
How severe is CVE-2026-59690?
CVE-2026-59690 has a CVSS score of 8/10 (HIGH severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2026-59690?
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