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CVE-2026-6876— Sandbox Escape in ServiceNow AI Platform

Quick assessment

Affected
ServiceNow ServiceNow AI Platform
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ServiceNow Now Platform是美国ServiceNow公司的一个企业级云工作流平台。 ServiceNow Now Platform存在安全漏洞，该漏洞源于沙箱逃逸，可能导致未经身份验证的用户在Now Platform中执行任意代码，获得超出预期的平台访问权限。

CVSS 10.0 · Critical EPSS 0.40% · P34

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 15

VendorProduct Version RangeStatus
ServiceNow ServiceNow AI Platform < Xanadu Patch 11 Hot Fix 7a affected
< Yokohama Patch 12 Hot Fix 3b affected
< Yokohama Patch 13 Hot Fix 4 affected
< Zurich Patch 7b Hot Fix 3 affected
< Zurich Patch 8 Hot Fix 5 affected
< Zurich Patch 9 Hot Fix 6 affected
< Zurich Patch 10 Hot Fix 2m (m-branch) affected
< Zurich Patch 10 Hot Fix 3 (standard) affected
… +7 more rows
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I. Basic Information for CVE-2026-6876

Vulnerability Information
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Vulnerability Title
Sandbox Escape in ServiceNow AI Platform
Source: CVE Program / CVE List V5
Vulnerability Description
ServiceNow has remediated a sandbox escape security issue that was identified in the ServiceNow AI Platform. This security issue could allow an unauthenticated user to execute arbitrary code within the ServiceNow AI Platform, potentially leading to more access to the ServiceNow AI Platform than 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
ServiceNow Now Platform 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ServiceNow Now Platform是美国ServiceNow公司的一个企业级云工作流平台。 ServiceNow Now Platform存在安全漏洞，该漏洞源于沙箱逃逸，可能导致未经身份验证的用户在Now Platform中执行任意代码，获得超出预期的平台访问权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ServiceNow ServiceNow AI Platform 0 ~ Xanadu Patch 11 Hot Fix 7a -

II. Public POCs for CVE-2026-6876

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III. Intelligence Information for CVE-2026-6876

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Vendor Advisories for CVE-2026-6876 (1)

Same Patch Batch · ServiceNow · 2026-08-27 · 4 CVEs total

CVE-2026-74820 10.0 CRITICAL Unauthenticated SQL Injection via Dynamic Schema ORDER BY Clause
CVE-2026-18886 10.0 CRITICAL Unauthenticated Privilege Escalation via System Configuration Image Upload Processor
CVE-2026-18885 10.0 CRITICAL Unauthenticated Remote Code Execution in GraphQL Composite Data API

IV. Related Vulnerabilities

Same product: ServiceNow AI Platform
Same vendor: ServiceNow

V. Comments for CVE-2026-6876

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