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CVE-2026-6877— Domain Separation Bypass 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 已修复在 ServiceNow SR – CSM – Task Plan Templates Store 应用中识别出的域隔离绕过安全漏洞。该漏洞可能允许拥有特定角色的已认证用户在无权限的域中创建记录，从而可能导致跨域边界的未授权数据创建。 目前，我们尚未发现针对 ServiceNow 实例的恶意利用行为。我们建议客户尽快应用相应的更新，或升级至已打补丁的版本（如尚未完成）。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 1

VendorProduct Version RangeStatus
ServiceNow ServiceNow AI Platform < SR - CSM - Task Plan Templates v3.0 (Task Plan Templates application) affected
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I. Basic Information for CVE-2026-6877

Vulnerability Information
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Vulnerability Title
Domain Separation Bypass in ServiceNow AI Platform
Source: CVE Program / CVE List V5
Vulnerability Description
ServiceNow has addressed a domain separation bypass security issue that was identified in the ServiceNow SR – CSM – Task Plan Templates Store application. This vulnerability could enable an authenticated user with a specific role to create records in domains they do not have access to, potentially leading to unauthorized data creation across domain boundaries.  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:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ServiceNow ServiceNow AI Platform 0 ~ SR - CSM - Task Plan Templates v3.0 (Task Plan Templates application) -

II. Public POCs for CVE-2026-6877

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III. Intelligence Information for CVE-2026-6877

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Other References for CVE-2026-6877 (1)

Same Patch Batch · ServiceNow · 2026-10-29 · 3 CVEs total

CVE-2026-103093 9.4 CRITICAL Sandbox Escape via Table Rotation in ServiceNow AI Platform
CVE-2026-103094 7.1 HIGH Cleartext Storage of OAuth Credentials in ServiceNow AI Platform

IV. Related Vulnerabilities

Same product: ServiceNow AI Platform
Same vendor: ServiceNow
Same weakness: CWE-284