Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability

Known Exploited Vulnerability

CVE-2026-118527, Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. 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.

The following remediation steps are recommended / required by November 13, 2026: 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 applicab