CVE-2026-118527
Summary
| CVE | CVE-2026-118527 |
|---|---|
| State | PUBLISHED |
| Assigner | ivanti |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-11-03 15:17:24 UTC |
| Updated | 2026-11-03 17:48:12 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 4.3 MEDIUM from 3c1d8aa1-5a33-4ea4-8992-aadd6440af75
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CISA KEV: Listed on 2026-10-30; due 2026-11-13; ransomware use Unknown
Problem Types: CWE-340 | CWE-340 CWE-340: Generation of Predictable Numbers or Identifiers
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | 3c1d8aa1-5a33-4ea4-8992-aadd6440af75 | Secondary | 4.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| 3.1 | CNA | CVSS | 4.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
LowAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
CISA Known Exploited Vulnerability
| Vendor | Ivanti |
|---|---|
| Product | Connect Secure |
| Name | Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability |
| 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. |
| Notes | https://hub.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-CVE-2026-104935?language=en_US ; ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-118527 |
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Ivanti | Connect Secure | All | All | All | All |
| Application | Ivanti | Connect Secure | 22.8 | r2 | All | All |
| Application | Ivanti | Connect Secure | 22.8 | r2.1 | All | All |
| Application | Ivanti | Connect Secure | 22.8 | r2.2 | All | All |
| Application | Ivanti | Connect Secure | 22.8 | r2.3 | All | All |
| Application | Ivanti | Connect Secure | 22.8 | r2.4 | All | All |
| Application | Ivanti | Connect Secure | 22.8 | r2.5 | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Ivanti | Connect Secure | unaffected 25.1.1.3 | Not specified |
| CNA | Ivanti | Connect Secure | unaffected 22.8R2.6 | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.cisa.gov/known-exploited-vulnerabilities-catalog | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | www.cisa.gov | US Government Resource |
| hub.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-CVE-2026-10... | 3c1d8aa1-5a33-4ea4-8992-aadd6440af75 | hub.ivanti.com | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
| CISA Known Exploited Vulnerabilities catalog | CISA | www.cisa.gov | kev |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.