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ServiceNow Patches Critical Flaws Enabling Unauthenticated RCE and SQL Injection
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.
CVE-2026-74820 - Unauthenticated SQL Injection via Dynamic Schema ORDER BY Clause
CVE ID : CVE-2026-74820 Published : Aug. 27, 2026, 8:18 p. m. • 55 minutes ago Description : ServiceNow has remediated a SQL injection vulnerability that was identified in 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 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. Severity: 10.0 • CRITICAL
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