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CVE-2026-59689 is an incorrect authorization vulnerability affecting Progress Software LoadMaster, ECS Connection Manager, Object Scale Connection Manager, and MOVEit WAF. The flaw allows an authenticated attacker with low privileges to bypass intended authorization boundaries and escalate privileges to root on the affected appliance. The issue is a broken access control condition in which operations or privilege transitions that should be restricted to higher-privileged roles are insufficiently protected. Successful exploitation can lead to root-level control of the appliance and potential full system compromise.
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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.
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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.
A broken access control / incorrect authorization vulnerability that allows a low-privilege authenticated user to escalate privileges to root, enabling unrestricted control over the affected LoadMaster system.
A broken access control / incorrect authorization vulnerability that allows a low-privileged authenticated user to escalate privileges to root, enabling unrestricted control of the affected appliance.
An improper/incorrect authorization privilege escalation vulnerability in multiple Progress Software products that allows an authenticated low-privilege attacker to escalate privileges to root on affected appliances.
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.