SB20260113124 - Improper authentication in ServiceNow Virtual Agent API and Now Assist AI Agents
Published: January 13, 2026
Security Bulletin ID
SB20260113124
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper authentication (CVE-ID: CVE-2025-12420)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in the authentication requests. A remote non-authenticated attacker can impersonate any platform user and gain unauthorized access to the application with privileges of the impersonated user.
Remediation
Install update from vendor's website.