Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability

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• NewsExploited · CISA KEVIvanti · Connect Secure

  Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability

  CVE-2026-118527

  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.

  CISA's required action · due 13 Nov 2026 for U.S. federal civilian agencies

  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.

  Cited by CISA: hub.ivanti.com · nvd.nist.gov

  Added to KEV 30 Oct 2026 · Source checked 4 Nov 2026, 16:25 UTC · CISA KEV entry

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