MSRXCVE-2026-118527
CVE-2026-118527
Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability
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.
CVSS 3.1 · CNA
chance of exploitation in the next 30 days (EPSS; higher than 57% of CVEs)
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.
Scores
Affected products
- 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; 22.8 r2.4; 22.8 r2.5
Weakness: CWE-340
2 references (advisories, patches, write-ups)
Sources: NVD, CVE.org, FIRST EPSS. Missing ones did not answer or have no record yet.