# CVE-2026-118527: Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability

> CVE-2026-118527: Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability. CVSS 4.3 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2026-118527
Last updated: 2026-11-03T17:48:12Z

- Published: 2026-11-03 14:53 UTC · Updated: 2026-11-03 17:48 UTC · Assigner: ivanti
- CVSS: 4.3 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- EPSS: 0.82%, 58th percentile (scored 2026-11-10)
- CISA KEV: yes, added 2026-10-30, federal due date 2026-11-13, ransomware use: Unknown
- CWE: CWE-340

## 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.

## CISA required 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.

## Affected vendors and products

- Ivanti: Connect Secure

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-118527)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-118527)
- [https://hub.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-CVE-2026-104935?language=en\_US](https://hub.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-CVE-2026-104935?language=en_US)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-118527 · Markdown: https://rewindex.com/cve/CVE-2026-118527.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-118527 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-11T04:59:33.129Z