CVE-2026-74820 ServiceNow CVE debrief

Who should care

ServiceNow customers and administrators should be aware of this critical vulnerability and take immediate action to patch or upgrade their instances. This vulnerability could enable an unauthenticated user to execute arbitrary SQL statements against the instance's underlying database and gain access to, or modify, instance data beyond what was intended. Prioritization is crucial for ServiceNow customers due to the critical severity and potential for data breaches. Review instance data for potential unauthorized access or modifications and apply the security update provided by ServiceNow to hosted instances or upgrade to a patched release for self-hosted customers. Additionally, consider compensating controls for exposed systems while remediation is scheduled and verified, and track exceptions and retest remediated assets to ensure thorough mitigation. IT and security teams responsible for ServiceNow deployments should coordinate patching efforts and verify the effectiveness of applied updates. Monitoring and detection capabilities should be reviewed to ensure they can identify potential exploitation attempts or post-exploitation activities related to this vulnerability. Asset inventory management should also be updated to reflect patched and vulnerable instances accurately. By taking these steps, ServiceNow customers can enhance their security posture and reduce the risk of data breaches associated with this critical vulnerability. Regular review of instance configurations and adherence to security best practices will further strengthen defenses against similar vulnerabilities in the future. Therefore, it is essential for all relevant stakeholders to be informed and take appropriate actions to mitigate this critical vulnerability effectively. The CVE record indicates that ServiceNow has remediated a SQL injection vulnerability in the ServiceNow AI platform, and customers should act promptly to protect their instances. This vulnerability's critical severity and potential impact underscore the importance of immediate attention and thorough remediation efforts. By prioritizing patching and implementing recommended actions, ServiceNow customers can significantly  im

Technical summary

A SQL injection vulnerability was identified in the ServiceNow AI platform. This vulnerability could enable an unauthenticated user, in certain circumstances, to execute arbitrary SQL statements against the instance's underlying database and gain access to, or modify, instance data beyond what was intended. ServiceNow has deployed a security update to hosted instances and provided the update to partners and self-hosted customers.

Defensive priority

ServiceNow customers should prioritize patching this critical vulnerability to prevent potential data breaches.

Recommended defensive actions

• Apply the security update provided by ServiceNow to hosted instances
• Upgrade to a patched release for self-hosted customers
• Review instance data for potential unauthorized access or modifications
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record indicates that ServiceNow has remediated a SQL injection vulnerability in the ServiceNow AI platform. The vulnerability could enable an unauthenticated user to execute arbitrary SQL statements against the instance's underlying database. ServiceNow deployed a security update to hosted instances and provided the update to partners and self-hosted customers.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.