SB2026101348 - Authentication bypass in Ivanti Connect Secure



SB2026101348 - Authentication bypass in Ivanti Connect Secure

Published: October 13, 2026

Security Bulletin ID SB2026101348
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Authentication Bypass by Spoofing (CVE-ID: CVE-2026-104935) Exploited

CWE-ID: CWE-290 - Authentication Bypass by Spoofing

CVSSv4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to bypass authentication.

The vulnerability exists due to an error in ICS. A remote attacker can perform a spoofing attack and bypass authentication process.

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install update from vendor's website.