CVE-2025-12420

CRITICAL

ServiceNow AI Platform - Privilege Escalation

Title source: llm

Description

A vulnerability has been identified in the ServiceNow AI Platform that could enable an unauthenticated user to impersonate another user and perform the operations that the impersonated user is entitled to perform. ServiceNow has addressed this vulnerability by deploying a relevant security update to  hosted instances in October 2025. Security updates have also been provided to ServiceNow self-hosted customers, partners, and hosted customers with unique configurations. Additionally, the vulnerability is addressed in the listed Store App versions. We recommend that customers promptly apply an appropriate security update or upgrade if they have not already done so.

Exploits (1)

nomisec SCANNER
by cyberdudebivash · poc
https://github.com/cyberdudebivash/CYBERDUDEBIVASH-ServiceNow-AI-Agent-Audit-Script

Scores

CVSS v3 9.8
EPSS 0.0005
EPSS Percentile 14.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

CWE
CWE-250
Status published

Affected Products (2)

servicenow/now_assist_ai_agents < 5.1.18
servicenow/virtual_agent_api < 3.15.2

Timeline

Published Jan 12, 2026
Tracked Since Feb 18, 2026