CVE-2026-6876: Sandbox Escape in Now Platform
ServiceNow has remediated a sandbox escape security issue that was identified in the Now Platform. This security issue could allow an unauthenticated user to execute arbitrary code within the Now Platform, potentially leading to more access to the Now Platform than intended.
ServiceNow deployed a security update to hosted instances and ServiceNow provided the update to our partners and self-hosted customers. We are not currently aware of malicious exploitation against ServiceNow instances.
We recommend customers promptly apply appropriate updates or upgrade to a patched release if they have not already done so.
Affected Software
Event History
Frequently Asked Questions
Who can exploit this issue?
The issue could be exploited by an unauthenticated user, so exploitation does not require an existing Now Platform account.
Are hosted instances affected, and what action has been taken?
ServiceNow states that it deployed a security update to hosted instances. Updates were also provided to partners and self-hosted customers.
What should self-hosted customers do?
Self-hosted customers should promptly apply the appropriate update or upgrade to a patched release if they have not already done so.
Has this vulnerability been exploited in the wild?
ServiceNow states that it is not currently aware of malicious exploitation against ServiceNow instances.