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ServiceNow AI Platform EUVDEUVD-2026-67221

| CVE-2026-74820 CRITICAL
2026-08-27 SN GHSA-75mr-vw8w-4mx8
10.0
CVSS 4.0 · Vendor: SN
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Severity by source

Vendor (SN) PRIMARY
10.0 CRITICAL
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
10.0 CRITICAL

Unauthenticated network SQLi with no user interaction yields PR:N/UI:N/AC:L; injection into the shared backend database crosses a trust boundary, so S:C with full C/I/A impact.

3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Primary rating from Vendor (SN).

CVSS VectorVendor: SN

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Aug 27, 2026 - 20:32 vuln.today
CVE Published
Aug 27, 2026 - 19:05 cve.org
CRITICAL 10.0

DescriptionCVE.org

ServiceNow has remediated a SQL injection vulnerability that was identified in in the ServiceNow AI platform. This vulnerability 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.

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.

AnalysisAI

SQL injection in the ServiceNow AI Platform allows an unauthenticated attacker, under certain conditions, to execute arbitrary SQL statements against the instance's underlying database, enabling unauthorized read and modification of instance data beyond intended boundaries. The flaw carries a maximum CVSS 4.0 base score of 10.0 (network, no authentication, high impact to confidentiality, integrity, and availability, with scope-changing impact to subsequent systems). …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Reach network-exposed ServiceNow instance
Delivery
Send crafted request with injected SQL
Exploit
Trigger unsanitized query execution
Execution
Read or modify database records
Impact
Exfiltrate or tamper with instance data

Vulnerability AssessmentAI

Exploitation The CVSS vector (AV:N/AC:L/AT:N/PR:N/UI:N) indicates network-reachable, unauthenticated exploitation with no user interaction against an affected ServiceNow AI Platform instance. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a genuine top-priority issue rather than an inflated high-CVSS score: the CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N) describes network-reachable, low-complexity, unauthenticated exploitation with high impact across confidentiality, integrity, and availability of both the vulnerable and subsequent systems, yielding the maximum 10.0. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An unauthenticated attacker who can reach an affected ServiceNow AI Platform instance over the network sends a crafted request to a vulnerable endpoint whose input is passed unsanitized into a backend SQL query. Under the qualifying conditions, the injected SQL executes against the instance database, letting the attacker read or alter records beyond their authorization - for example exfiltrating sensitive tables or tampering with instance data. …
Remediation Patch available per vendor advisory: ServiceNow has already deployed the security update to its hosted instances and distributed the fix to partners and self-hosted customers, so the primary action is to apply the appropriate update or upgrade to the patched release referenced in ServiceNow KB3152242 (https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB3152242); the input does not include an exact fixed version number, so confirm the specific target release from that advisory. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: inventory all ServiceNow AI Platform deployments and network isolation posture; identify which instances process sensitive data and whether they are internet-accessible; engage ServiceNow support for interim guidance and patch timeline. …

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EUVD-2026-67221 vulnerability details – vuln.today

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