Affects widely used Progress appliances (LoadMaster, MOVEit) and allows full system compromise; enterprise-impacting infrastructure.
CVE-2026-59686
Authenticated OS command injection in Progress LoadMaster/MOVEit appliances.
Is CVE-2026-59686 being exploited?
Not confirmed. CVE-2026-59686 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 1.4% probability of exploitation in the next 30 days.
How severe is CVE-2026-59686?
CVE-2026-59686 is rated High with a CVSS score of 8.4. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-59686?
Yes. A fix has been recorded for CVE-2026-59686. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-59686 affect?
CVE-2026-59686 affects Progress LoadMaster, ECS Connection Manager, Object Scale Connection Manager, MOVEit WAF. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-59686?
Isolate management interfaces, apply vendor patch/mitigation ASAP, rotate credentials, audit access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated high-privilege user can execute arbitrary OS commands via management interface, leading to full appliance compromise and lateral movement.
Immediate action required
- affected>= 7.2.60.0 and < 7.2.63.3
- affected>= All Previous Versions and < 7.2.63.3
- affected>= All Previous Versions and < 7.2.54.19
- affected>= 7.2.60.0 and < 7.2.63.3
- affected>= 7.2.60.0 and < 7.2.63.3
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.