MEDIUM · CVSS 4.3
ACTIVELY EXPLOITED
PATCH AVAILABLE
CVE-2026-118527: Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability
| Vendor | Ivanti |
|---|---|
| Product | Connect Secure |
| CVSS score | 4.3 · CVSS 3.1 · MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| EPSS | 0.8% (percentile 58) |
| Actively exploited | Yes, according to CISA KEV |
| Added to CISA KEV | 30 Oct 2026 |
| CISA federal deadline | 13 Nov 2026 |
| Weakness (CWE) | CWE-340 |
| NVD published | 3 Nov 2026 |
| NVD last modified | 3 Nov 2026 |
| NVD status | Analyzed |
Affected versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Ivanti Connect Secure | from 25.1.0.0 before 25.1.1.3 | 25.1.1.3 |
| Ivanti Connect Secure | 22.8 | – |
| Ivanti Connect Secure | 22.8 | – |
| Ivanti Connect Secure | 22.8 | – |
| Ivanti Connect Secure | 22.8 | – |
| Ivanti Connect Secure | 22.8 | – |
| Ivanti Connect Secure | 22.8 | – |
Required action (CISA's text)
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.
Description (NVD)
Use of predictable filenames in Ivanti Connect Secure before versions 25.1.1.3 and 22.8R2.6 allows a remote authenticated attacker to upload files with attacker-controlled content to a known location on disk.
Vendor advisories
SOURCES
Other Ivanti flaws
- CVE-2026-111357: Ivanti Connect Secure Missing Authentication for Critical Function Vulnerability
- CVE-2026-104935: Ivanti Connect Secure Authentication Bypass by Spoofing Vulnerability
- CVE-2026-10520: Ivanti Sentry OS Command Injection Vulnerability
- CVE-2026-6973: Ivanti Endpoint Manager Mobile (EPMM) Improper Input Validation Vulnerability
- CVE-2026-1340: Ivanti Endpoint Manager Mobile (EPMM) Code Injection Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 3 Nov 2026.