Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-86858— Unauthenticated Privilege Escalation via GraphQL 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 已修复其在 ServiceNow AI 平台中发现的一个访问控制不当的安全漏洞。该安全问题可能在特定情况下，使未经身份验证的用户能够创建、修改或删除超出预期范围的实例数据。 2026 年 8 月，ServiceNow 已对其托管实例部署了安全更新，并向合作伙伴及自托管客户提供该更新。目前，ServiceNow 尚未发现针对其实例的任何恶意利用行为。ServiceNow 建议客户尽快应用适当的更新，或升级到已修补的版本（如尚未执行）。

CVSS 8.7 · High EPSS 0.27% · P18

Affected Version Matrix 7

VendorProduct Version RangeStatus
ServiceNow ServiceNow AI Platform < Yokohama Patch 13 Hot Fix 5a affected
< Zurich Patch 10 Hot Fix 3b affected
< Zurich Patch 10 Hot Fix 4a W32 affected
< Zurich Patch 11 Hot Fix 3 affected
< Australia Patch 2 Hot Fix 4b W32 affected
< Australia Patch 4 Hot Fix 3 affected
< Australia Patch 5 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-86858

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Unauthenticated Privilege Escalation via GraphQL in ServiceNow AI Platform
Source: CVE Program / CVE List V5
Vulnerability Description
ServiceNow has remediated an improper access control security issue that was identified in the ServiceNow AI Platform. This security issue could enable an unauthenticated user, in certain circumstances, to create, modify, or delete instance data beyond what was intended. In August 2026, 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:N/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ServiceNow ServiceNow AI Platform 0 ~ Yokohama Patch 13 Hot Fix 5a -

II. Public POCs for CVE-2026-86858

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-86858

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-86858 (1)

Same Patch Batch · ServiceNow · 2026-09-24 · 5 CVEs total

CVE-2026-86860 9.3 CRITICAL Unauthenticated Sensitive Data Disclosure in ServiceNow AI Platform
CVE-2026-13016 9.3 CRITICAL Unauthenticated SQL Injection in ServiceNow AI Platform
CVE-2026-86859 8.7 HIGH Unauthenticated Arbitrary Record Disclosure in ServiceNow AI Platform
CVE-2026-86857 8.4 HIGH Authorization Bypass in ServiceNow AI Platform

IV. Related Vulnerabilities

Same product: ServiceNow AI Platform
Same vendor: ServiceNow

V. Comments for CVE-2026-86858

No comments yet

Leave a comment