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Critical 9.3Published Jan 12, 2026

CVE-2025-12420Unauthenticated Privilege Escalation in ServiceNow AI Platform

Updated under an hour ago ()

Does this affect you?

It affects ServiceNow Now Assist AI Agents and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
9.3 CRITICAL (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/S:N/AU:Y/R:U/V:C/RE:H/U:Amber
Weakness (CWE)
CWE-250
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
SN
NVD analysis
Analyzed
Record last updated
Feb 26, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
ServiceNow Now Assist AI Agents
servicenow:now_assist_ai_agents (from the name)
from 5.0.26 through 5.1.17; from 5.0.26 through 5.2.18
CNA record
ServiceNow Virtual Agent API
servicenow:virtual_agent_api (from the name)
before 3.15.2; before 4.0.4
CNA record
servicenow now_assist_ai_agents
servicenow:now_assist_ai_agents
before 5.1.18; from 5.2.0 before 5.2.19
NVD
servicenow virtual_agent_api
servicenow:virtual_agent_api
before 3.15.2; from 4.0.0 before 4.0.4
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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