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CVE-2026-3518

OS Command Injection Remote Code Execution Vulnerability in Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager & MOVEit WAF

HIGH
7.2
CVSS Score
Published: April 20, 2026 at 01:29 PM UTC
Updated: June 17, 2026 at 10:43 AM UTC
4 products affected across 1 vendorLoadMasterECS Connection ManagerConnection Manager for Objectscale

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Severity
HIGH7.2
Exploit prediction
EPSS 17%
SSVC
No known exploit

Description

OS Command Injection Remote Code Execution Vulnerability in API in Progress ADC Products allows an authenticated attacker with “All” permissions to execute arbitrary commands on the LoadMaster appliance by exploiting unsanitized input in the 'killsession' command

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Connection Manager for Objectscale· Progress
95%
v < 7.2.63.1V7.2.62.0 ≤ v < V7.2.63.07.2.62.0
Affected range stops below V7.2.63.0, so it looks safe — our inference, not a vendor statement
ECS Connection Manager· Progress
95%
v < 7.2.63.1V7.2.49.0 ≤ v < V7.2.63.07.2.49.0
Affected range stops below V7.2.63.0, so it looks safe — our inference, not a vendor statement
LoadMaster· Progress
95%
v < 7.2.54.17v < 7.2.63.1V7.2.37.0 ≤ v < V7.2.63.07.2.37.0
Affected range stops below V7.2.63.0, so it looks safe — our inference, not a vendor statement
Moveit Web Application Firewall· Progress
60%
V7.2.62.0 ≤ v < V7.2.63.07.2.62.0
Affected range stops below V7.2.63.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryPatch
Source: cverecord
https://community.progress.com/s/article/LoadMaster-Security-Vulnerabilites-CVE-2026-3517-CVE-2026-3518-CVE-2026-3519-CVE-2026-4048-CVE-2026-21876

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.2HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-77

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