What is the CVSS score of CVE-2026-59686?

CVE-2026-59686 has a CVSS 3.1 base score of 8.4 (High). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H. EPSS exploitation probability: 0.7%.

Is there a patch available for CVE-2026-59686?

Yes, a patch is available for CVE-2026-59686. Update the affected software to the latest version immediately.

Loadmaster CVE-2026-59686

EUVD-2026-49184 HIGH

OS Command Injection (CWE-78)

2026-07-27 ProgressSoftware

GHSA-85mv-2c69-64f5

Command Injection Ecs Connection Manager Loadmaster Moveit Waf Object Scale Connection Manager Progress Software

8.4

CVSS 3.1 · Vendor: ProgressSoftware

View

Vulnerability Assessment

Weakness

CWE

CWE-78

OWASP Top 10:2025

A05:2025 - Injection

ASVS 5.0

V1 - Encoding and Sanitization OS command sanitization, avoid shell exec

MITRE ATT&CK

2 techniques across 1 tactic: Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

Patch available 0.7% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 27, 2026

OS command injection in Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager, and MOVEit WAF allows an authenticated attacker with high privileges and adjacent network access to execute arbitrary commands through the management interface, leading to full system compromise. No active exploitation or publicly available exploit has been reported at the time of analysis.

Affected VersionsENISA

ECS Connection Manager 7.2.60.0 <7.2.63.3

MOVEit WAF 7.2.60.0 <7.2.63.3

LoadMaster All Previous Versions <7.2.54.19

Object Scale Connection Manager 7.2.60.0 <7.2.63.3

LoadMaster All Previous Versions <7.2.63.3

Affected Packages

euvd ecs_connection_manager fix: 7.2.63.3

euvd loadmaster_all_previous_versions fix: 7.2.54.19, 7.2.63.3

euvd moveit_waf fix: 7.2.63.3

euvd object_scale_connection_manager fix: 7.2.63.3

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 4 packages in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (ProgressSoftware) PRIMARY 8.4 HIGH

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

Primary rating from Vendor (ProgressSoftware) · only source for this CVE.

CVSS VectorVendor: ProgressSoftware

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Patch available

Jul 27, 2026 - 14:01 EUVD

CVE Published

Jul 27, 2026 - 12:22 cve.org

HIGH 8.4

DescriptionCVE.org

An OS Command Injection vulnerability in Progress Software LoadMaster, ECS Connection Manager, Object Scale Connection Manager, and MOVEit WAF allows an authenticated attacker with high privileges to execute arbitrary operating system commands on the affected appliance via the management interface, potentially resulting in complete system compromise.

Threat Intelligence Overview

EPSS Score

0.7%

Top 49% exploitable

Data Quality

5 sources

Confidence: Medium

EUVD

NVD

CVE.org

EPSS

Vulnrichment

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 0.7%

Patch available Yes

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation

None

System Exposure· derived

Controlled

Automatable

Human Impact· derived

Medium

Technical Impact

Total

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +42

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

OS Command Injection CRITICAL

OS command injection occurs when an application passes unsanitized user input directly into system shell commands.

More in Loadmaster

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CVE-2026-8037 CRITICAL Emergency POC

9.8 Jun 04

Unauthenticated OS command injection in the API of Progress ADC products - LoadMaster, ECS Connections Manager, Object S

CVE-2024-1212 CRITICAL Emergency POC

9.8 Feb 21

Unauthenticated remote attackers can access the system through the LoadMaster management interface, enabling arbitrary s

CVE-2024-7591 HIGH This Week POC

7.2 Sep 05

Improper Input Validation vulnerability in Progress LoadMaster allows OS Command Injection.This issue affects: * LoadMas

CVE-2024-8755 CRITICAL Act Now

9.8 Oct 11

Improper Input Validation vulnerability of Authenticated User in Progress LoadMaster allows : OS Command Injection.This

CVE-2024-2448 HIGH This Week

8.8 Mar 22

An OS command injection vulnerability has been identified in LoadMaster. Rated high severity (CVSS 8.8), this vulnerabil

CVE-2026-59688 HIGH This Week

8.4 Jul 27

OS command injection in the backup-restore functionality of Progress Software LoadMaster, ECS Connection Manager, Object

CVE-2026-59687 HIGH This Week

8.4 Jul 27

OS command injection in Progress LoadMaster and related products allows authenticated high-privilege attackers to execut

CVE-2024-56135 HIGH This Week

8.4 Feb 05

Improper Input Validation vulnerability of Authenticated User in Progress LoadMaster allows : OS Command Injection. Rate

CVE-2024-56131 HIGH This Week

8.4 Feb 05

Improper Input Validation vulnerability of Authenticated User in Progress LoadMaster allows : OS Command Injection. Rate

CVE-2025-13447 HIGH This Week

8.4 Jan 13

OS Command Injection Remote Code Execution Vulnerability in API in Progress LoadMaster allows an authenticated attacker

CVE-2024-56132 HIGH This Week

8.4 Feb 05

Improper Input Validation vulnerability of Authenticated User in Progress LoadMaster allows : OS Command Injection. Rate

CVE-2024-56134 HIGH This Week

8.4 Feb 05

Improper Input Validation vulnerability of Authenticated User in Progress LoadMaster allows : OS Command Injection. Rate

Same weakness CWE-78 – OS Command Injection

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CVE-2014-6271 CRITICAL POC

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CVE-2018-11138 CRITICAL POC

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CVE-2014-6278 HIGH POC

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CVE-2020-9054 CRITICAL POC

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CVE-2017-6334 HIGH POC

8.8

CVE-2024-50603 CRITICAL POC

10.0

Same technique Command Injection

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CVE-2024-21887 CRITICAL POC

9.1

CVE-2016-3081 HIGH POC

8.1

CVE-2012-1823 CRITICAL POC

9.8

CVE-2016-1555 CRITICAL POC

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CVE-2024-55956 CRITICAL POC

9.8

References

Advisories & patches

ADVISORY https://community.progress.com/s/article/LoadMaster-Critical-Security-Bulletin-July-2026-CVE-2026-59686-CVE-2026-59687-CVE-2026-59688-CVE-2026-59689-CVE-2026-59690 ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-59686

Search Externally

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