Ivanti · Connect Secure
CVE-2026-118527
Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability
What it is
Ivanti Connect Secure contains a generation of predictable numbers or identifiers vulnerability that allows a remote authenticated attacker to upload files with attacker-controlled content to a known location on disk. This vulnerability can be chained with CVE-2026-104935 and CVE-2026-111357.
What to do
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Deadline for US federal agencies: November 13, 2026
More exploited flaws from Ivanti
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Oct 30, 2026 | Missing Authentication for Critical Function | Connect Secure | High 7.0 | 0.5% |
| Oct 13, 2026 | Authentication Bypass by Spoofing | Connect Secure | High 8.6 | 89% |
| Jun 11, 2026 | OS Command Injection | Sentry | Critical 10.0 | 99.9% |
| May 7, 2026 | Improper Input Validation | Endpoint Manager Mobile (EPMM) | High 7.2 | 34% |
| Apr 8, 2026 | Code Injection | Endpoint Manager Mobile (EPMM) | Critical 9.8 | 99% |
| Mar 9, 2026 | Endpoint Manager (EPM) Authentication Bypass | Endpoint Manager (EPM) | High 8.6 | 88% |
| Jan 29, 2026 | Code Injection | Endpoint Manager Mobile (EPMM) | Critical 9.8 | 99% |
| May 19, 2025 | Authentication Bypass | Endpoint Manager Mobile (EPMM) | Medium 5.3 | 99.9% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.