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ServiceNow AI Platform Multiple Vulnerabilities (August 2026 CVE Advisory)

critical Nessus Plugin ID 371202

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Synopsis

ServiceNow AI Platform is affected by multiple vulnerabilities.

Description

The version of the ServiceNow AI Platform (Now Platform) running on the remote host is missing the remediations described in the August 2026 CVE Advisory Notification. It is, therefore, affected by multiple vulnerabilities, including the following:

 - A sandbox escape vulnerability that could allow an unauthenticated user to execute arbitrary code within the Now Platform, potentially leading to more access to the Now Platform than intended.
 (CVE-2026-6876)

 - A code injection vulnerability that could enable an unauthenticated user, in certain circumstances, to execute arbitrary code in the ServiceNow platform and gain access to, or modify, instance data beyond what was intended. (CVE-2026-18885)

 - A SQL injection vulnerability that 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. (CVE-2026-74820)

 - An improper access control vulnerability that could enable an unauthenticated user, in certain circumstances, to create or modify instance data beyond what was intended, resulting in privilege escalation. (CVE-2026-18886)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade ServiceNow AI Platform to Xanadu Patch 11 Hot Fix 7a, Yokohama Patch 12 Hot Fix 3b, Yokohama Patch 13 Hot Fix 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 (m-branch) or Hot Fix 3 (standard), Zurich Patch 11, Zurich Patch 12, Australia Patch 2 Hot Fix 3, Australia Patch 3 Hot Fix 2, Australia Patch 3m, Australia Patch 4, or Australia Patch 5, or later.

See Also

http://www.nessus.org/u?be3d21ad

Plugin Details

Severity: Critical

ID: 371202

File Name: servicenow_platform_aug_2026_cve_advisory.nasl

Version: 1.2

Type: Remote

Family: CGI abuses

Published: 10/23/2026

Updated: 10/26/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.32

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2026-6876

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 10

Threat Score: 9.1

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CVSS Score Source: CVE-2026-74820

Vulnerability Information

CPE: cpe:/a:servicenow:servicenow

Required KB Items: installed_sw/ServiceNow Platform

Exploit Ease: No known exploits are available

Patch Publication Date: 8/27/2026

Vulnerability Publication Date: 8/27/2026

Reference Information

CVE: CVE-2026-18885, CVE-2026-18886, CVE-2026-6876, CVE-2026-74820