CVE-2026-118527: Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability
Summary
Ivanti Connect Secure has a vulnerability where remote authenticated attackers can upload files with controlled content to a specific disk location. This flaw can be exploited in conjunction with two other CVEs, allowing for further compromise. Ivanti has provided mitigations, and users are urged to apply them and follow CISA's guidance on prioritizing security updates.
IFF Assessment
The article details a vulnerability in Ivanti Connect Secure that allows for file uploads and can be chained with other exploits, posing a significant risk to defenders.
Severity
CISA KEV: Listed as actively exploited. Federal patch due: November 13, 2026. Known ransomware use: Unknown.
Defender Context
This vulnerability in Ivanti Connect Secure requires immediate attention from defenders, especially given its potential to be chained with other exploits. Organizations should prioritize applying vendor-provided mitigations and ensure compliance with CISA directives on risk-based patching to prevent further compromise, particularly from ransomware.