Critical severity · published Aug 27, 2026
CVE-2026-18885
Unauthenticated Remote Code Execution in GraphQL Composite Data API
10.0
CVSS
7.2%
EPSS
No
On KEV
Description
ServiceNow has remediated a code injection vulnerability that was identified in the ServiceNow AI platform. This vulnerability 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.
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)7.2% · higher than 94% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SA
ServiceNow AI Platform · ServiceNow
before Xanadu Patch 11 Hot Fix 7a; before Yokohama Patch 12 Hot Fix 3b; before Yokohama Patch 13 Hot Fix 4; before Zurich Patch 7b Hot Fix 3; before Zurich Patch 8 Hot Fix 5; before Zurich Patch 9 Hot Fix 6; +9 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-18885
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-18885
support.servicenow.com
https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB3152242
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