ServiceNow Flaw Exploited to Gain Unauthorized Access to Customer Instances
Source Reddit Cybersecurity
Discussion
A security flaw in ServiceNow was exploited by unknown threat actors to gain unauthorized access to customer instances. The issue allowed unauthenticated users, under certain conditions, to access ServiceNow instances beyond intended permissions. ServiceNow applied a security update on June 5, 2026, to restrict this access to authenticated users only. The flaw affects customers on the Australia platform release or those with specific configuration changes on earlier releases. ServiceNow detected anomalous activity and notified impacted customers. The vulnerability does not yet have a CVE identifier and was initially reported internally to ServiceNow in April 2026. This is a developing situation with limited technical details publicly available.
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