Code Injection in ServiceNow - CVE-2026-18886
Published: August 28, 2026
Vulnerability identifier: #VU146030
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-18886
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to escalate privileges.
The vulnerability exists due to code injection in the ServiceNow AI platform when handling crafted input in certain circumstances. A remote attacker can send crafted input to create or modify instance data beyond what was intended to escalate privileges.
Affected software
ServiceNow
How to mitigate CVE-2026-18886
Install security update from vendor's website.
ServiceNow - addressed in versions Australia Patch 2 Hot Fix 3, Australia Patch 3 Hot Fix 2, Australia Patch 3m, Australia Patch 4, Zurich Patch 7b Hot Fix 3, Zurich Patch 8 Hot Fix 5, Zurich Patch 9 Hot Fix 6, Zurich Patch 10 Hot Fix 2m, Zurich Patch 10 Hot Fix 3, Xanadu Patch 11 HotFix 7a, Zurich Patch 11