Incorrect authorization in ServiceNow - CVE-2026-86859
Published: September 25, 2026
Vulnerability identifier: #VU152244
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-86859
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to an authorization bypass in the ServiceNow AI Platform when handling requests. A remote attacker can access data beyond intended authorization to disclose sensitive information.
Exploitation may enable further unintended access.
Affected software
ServiceNow
How to mitigate CVE-2026-86859
Install security update from vendor's website.
ServiceNow - addressed in versions Australia Patch 2 Hot Fix 4b W32, Australia Patch 4 Hot Fix 3, Australia Patch 5, Yokohama Patch 13 Hot Fix 5a, Zurich Patch 10 Hot Fix 3b, Zurich Patch 10 Hot Fix 4a W32, Zurich Patch 11 Hot Fix 3