ServiceNow Patches Critical Flaws Enabling Unauthenticated RCE and SQL Injection
Brief
ServiceNow has released security updates for four vulnerabilities, including three rated critical, that could allow unauthenticated attackers to execute code, alter instance data, elevate privileges, or run arbitrary SQL commands against affected environments.
The August 27, 2026 advisory addresses flaws tracked as CVE-2026-6876, CVE-2026-18885, CVE-2026-18886, and CVE-2026-74820. The issues affect components of the Now Platform and ServiceNow AI platform.
ServiceNow said the vulnerabilities were discovered through its internal security research and responsible disclosure programs, and that each issue was remediated independently.
ServiceNow Patches Critical Flaws
CVE-2026-6876 is a high-severity sandbox escape flaw in the Now Platform.