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VULNERABILITIES

CVE-2026-118527 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: ivantiCVSS-B:4.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-118527 CISA-ADPUS Government Resource
https://hub.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-CVE-2026-104935?language=en_US ivantiVendor Advisory

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability NameDate AddedDue DateRequired Action
Ivanti Connect Secure Generation of Predictable Numbers or Identifiers VulnerabilityOct 30, 2026Nov 13, 2026Apply 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.

Weakness Enumeration

CWE-IDCWE NameSource
CWE-340Generation of Predictable Numbers or Identifiersivanti

Affected Products

ProductVersions
ivanti connect secure
>= 25.1.0.0, < 25.1.1.3
22.8 r2
22.8 r2.1
22.8 r2.2
22.8 r2.3

CPE

  • cpe:2.3:a:ivanti:connect_secure:*:*:*:*:*:*:*:*
  • cpe:2.3:a:ivanti:connect_secure:22.8:r2:*:*:*:*:*:*
  • cpe:2.3:a:ivanti:connect_secure:22.8:r2.1:*:*:*:*:*:*
  • cpe:2.3:a:ivanti:connect_secure:22.8:r2.2:*:*:*:*:*:*
  • cpe:2.3:a:ivanti:connect_secure:22.8:r2.3:*:*:*:*:*:*
  • cpe:2.3:a:ivanti:connect_secure:22.8:r2.4:*:*:*:*:*:*
  • cpe:2.3:a:ivanti:connect_secure:22.8:r2.5:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-118527
NVD Published Date:
Nov 3, 2026
NVD Last Modified:
Nov 3, 2026
Source:
ivanti
CVE-2026-118527 Details - Not Deferred