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CVE-2026-18885 is a critical code-injection vulnerability (CWE-94) in the GraphQL Composite Data API of the ServiceNow AI Platform. Insufficient control over generated or executed code can permit an unauthenticated attacker, under unspecified circumstances, to execute arbitrary code in the ServiceNow platform. The flaw is network-reachable, has low attack complexity, and requires neither attacker privileges nor user interaction.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
31 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
One of two critical, unauthenticated ServiceNow vulnerabilities described as allowing malicious code to reach affected systems.
A CVSS v4 10.0 unauthenticated code-injection flaw in ServiceNow's GraphQL Composite Data API that could permit arbitrary code execution and unauthorized access to or modification of instance data.
A critical unauthenticated, low-complexity code-injection vulnerability in the ServiceNow AI platform/GraphQL Composite Data API that can enable arbitrary code execution and access to or modification of arbitrary data.
A critical unauthenticated code-injection flaw in the ServiceNow AI Platform GraphQL Composite Data API that can enable arbitrary code execution and unauthorized instance-data access or modification.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.