What is CVE-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.
Timeline
- 2026-10-30Added to the CISA Known Exploited Vulnerabilities (KEV) catalog
- 2026-10-31First covered in a defend.network daily briefing
- 2026-11-13CISA federal remediation deadline (BOD 22-01)
CISA Known Exploited Vulnerability
Ivanti Connect Secure Generation of Predictable Numbers or Identifiers Vulnerability
Affected product
Ivanti Connect Secure
Remediation Steps
- Apply the vendor security update for Ivanti Connect Secure as a priority.
- Restrict network exposure of the affected service to trusted sources until patched.
- Review logs and detections for indicators of exploitation.
- Confirm fixed versions against the official vendor advisory before deploying.
References
Referenced in our briefings & reports
- Vulnerability Priority Report – Week 4 of October 2026 (October 26 – November 1)
- WordPress, GitLab RCEs exploited; TeamViewer flaw reverses control (2026-10-31)
Related vulnerabilities
- CVE-2026-111357 – Ivanti Connect Secure (same product)
- CVE-2026-104935 – Ivanti Connect Secure (same product)
- CVE-2026-10520 – Ivanti Sentry (same vendor)
- CVE-2026-8043 – Ivanti Xtraction (same vendor)
- CVE-2026-6973 – Ivanti Endpoint Manager Mobile (EPMM) (same vendor)
Browse all tracked CVEs in the defend.network CVE database →
🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.