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CVE-2026-59686 is a high-severity operating system command injection vulnerability affecting Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager, and MOVEit WAF. The flaw is exposed through the management interface and allows an authenticated attacker with high privileges to inject and execute arbitrary operating system commands on the underlying appliance. Successful exploitation can give the attacker direct control over system-level command execution within the appliance context, creating a path to full compromise of the affected system.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An operating system command injection vulnerability in the LoadMaster management interface that allows a highly privileged authenticated attacker to execute arbitrary commands and potentially fully compromise the appliance.
An operating system command injection vulnerability in the LoadMaster management interface that allows a highly privileged authenticated attacker to execute arbitrary commands and potentially fully compromise the appliance.
An authenticated OS command injection vulnerability in Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager, and MOVEit WAF that can allow arbitrary operating system command execution via the management interface, potentially leading to full system compromise.
A high-severity vulnerability affecting Progress Kemp LoadMaster, Progress ECS Connection Manager, Progress Connection Manager for ObjectScale, and Progress Kemp LoadMaster LTSF.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.