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CVE-2026-6876 is a high-severity sandbox-escape vulnerability in the ServiceNow Now Platform. Successful exploitation can permit arbitrary code execution within the platform sandbox and access to Now Platform resources beyond intended security restrictions. ServiceNow assigned a CVSS v4.0 score of 8.7. The published CVSS vector indicates network reachability, low attack complexity, no user interaction, and high confidentiality, integrity, and availability impact on the vulnerable system.
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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.
12 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A high-severity unauthenticated sandbox-escape vulnerability in the ServiceNow Now Platform that can enable code execution and greater-than-intended platform access.
High-severity unauthenticated sandbox-escape vulnerability in the ServiceNow Now Platform that can permit arbitrary code execution and access beyond intended restrictions.
High-severity ServiceNow Now Platform sandbox-escape vulnerability that can enable arbitrary code execution within the platform under the stated conditions.
A high-severity sandbox-escape vulnerability in the ServiceNow Now Platform that could allow an unauthenticated user to execute arbitrary code within the platform.
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.