Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability

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• vendor Ivanti Connect Secureversion unspecified

How to fix CVE-2026-118527

• Vendor action

  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.

• Version check

  No version range is stored, so an installed version cannot be checked on this page.

• Advisory

  Open the canada record and follow its fix. CISA lists a due date of Nov 13, 2026.

• Official advisories

  • Canadian Centre for Cyber Security · cyber.gc.ca
  • CISA Cybersecurity Advisories · cisa.gov
  • CISA KEV · cisa.gov
  • CVE.org · cve.org
  • VulnCheck KEV · vulncheck.com

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Technology hubs

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Oct 30, 2026 · VulnCheck KEV

   Detected

   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.

2. Oct 30, 2026 · CISA KEV

   Known exploited

   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

3. Nov 13, 2026 · CISA KEV

   Remediation due

   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

Sources

• Canadian Centre for Cyber SecurityGovernment advisoryCVE-2026-118527

  Serial number: AV26-1035 Date: October 13, 2026 Updated: October 30, 2026 As of October 13, 2026, Ivanti is affected by vulnerabilities in the following products: Ivanti Connect Secure Versions prior to 25.1.1.3 Versions prior to 25.1.3.1 Versions prior to 22.8R2.6 Ivanti Neurons

  cyber.gc.ca
• CISA Cybersecurity AdvisoriesGovernment advisoryCVE-2026-118527

  CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-111357 Ivanti Connect Secure Missing Authentication for Critical Function Vulnerability CVE-2026-118527 Ivanti Connect Secure Generatio

  cisa.gov
• CISA KEVConfirmed exploitationCVE-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.gov
• CVE.orgVulnerability recordCVE-2026-118527

  Official CVE identifier

  cve.org
• VulnCheck KEVConfirmed exploitationCVE-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

  vulncheck.com

References

• CISA note · hub.ivanti.com
• CISA note · nvd.nist.gov
• CISA note · cisa.gov
• CISA note · cisa.gov
• VulnCheck exploitation evidence · cisa.gov

Freshness

Last verified in this catalog Oct 31, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

• VulnCheck KEVNov 1, 2026
• CVE.orgOct 31, 2026
• CISA Cybersecurity AdvisoriesOct 31, 2026
• Canadian Centre for Cyber SecurityOct 31, 2026
• CISA KEVOct 31, 2026