Threat Intelligence / CVE / CVE-2026-18885

CVE-2026-18885 — ServiceNow AI Platform

CVSS v4.0 10 (Critical, derived from score) · EPSS 0.4% (higher than 35.6% of all scored CVEs) · Priority 6.4/10 · Published 2026-08-27

As of 2026-08-29, CVE-2026-18885 is a Critical-severity (band derived from the CVSS v4.0 score, not stated by the CNA) vulnerability in ServiceNow AI Platform, CVSS v4.0 10, EPSS 0.4% (35.6th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-18885, most recently “ServiceNow Patches Four Critical Flaws Including Three CVSS 10.0 Unauthenticated RCE/SQLi Bugs (CVE-2026-18885, CVE-2026-18886, CVE-2026-74820, CVE-2026-6876)”.

Last updated: 2026-08-29

What is CVE-2026-18885?

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.

The record classifies CVE-2026-18885 under weakness class CWE-94. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 26 days ago.

Severity and exploitation probability

CVSS v4.0 base score
10 — Critical (derived from score)
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
EPSS (FIRST)
0.4% probability of exploitation in the next 30 days, higher than 35.6% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
6.4/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2026-08-27, last modified 2026-08-29

Is CVE-2026-18885 being exploited?

No public exploitation evidence for CVE-2026-18885 is recorded in the sources Threadlinqs tracks — CISA KEV, Exploit-DB, public proof-of-concept repositories and ProjectDiscovery Nuclei — as of 2026-08-29. That is an absence of evidence in those feeds, not a guarantee that the vulnerability is unexploited.

Affected products and versions

How to fix CVE-2026-18885

No vendor patch reference has been recorded for CVE-2026-18885 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2026-18885

1 tracked threat in the Threadlinqs corpus references CVE-2026-18885, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.

Other references

Full detection coverage & IOCs for threats exploiting CVE-2026-18885 are available via the Threadlinqs MCP server (Purple tier). View plans →

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