CVE-2026-118527
Generation of Predictable Numbers or Identifiers in Ivanti Connect Secure. CISA confirmed attackers exploit it and added it to its Known Exploited Vulnerabilities catalog on 30 October 2026.
- Product
- Ivanti Connect Secure
- Added to CISA's catalog
- Federal fix-by date
- Ransomware
- No known use in ransomware campaigns
- Sources
- CISA’s catalog, NVD entry
CISA’s description.
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.
More from Ivanti this year.
- CVE-2026-111357 Missing Authentication for Critical Function, added
- CVE-2026-104935 Authentication Bypass by Spoofing, added
- CVE-2026-10520 OS Command Injection, added
- CVE-2026-6973 Improper Input Validation, added
- CVE-2026-1340 Code Injection, added
- CVE-2026-1603 Authentication Bypass, added
- CVE-2026-1281 Code Injection, added
Every flaw CISA confirmed exploited in the last 30 days is on the exploit watch. This is not security advice. Check the vendor’s advisory before acting. From CISA’s catalog of 4 November 2026.