Incorrect authorization in ServiceNow - CVE-2026-86857

 

Incorrect authorization in ServiceNow - CVE-2026-86857

Published: September 25, 2026


Vulnerability identifier: #VU152241
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-86857
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to disclose sensitive information.

The vulnerability exists due to an authorization bypass in the ServiceNow AI Platform when handling requests. A remote user can access data beyond their intended authorization to disclose sensitive information.

Exploitation may enable further unintended access.


Affected software

ServiceNow

How to mitigate CVE-2026-86857

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

External References

Related Security Bulletins