Full Report
ServiceNow security advisory (AV26-693)
Analysis Summary
# Vulnerability: ServiceNow AI Platform Sandbox Escape
## CVE Details
- **CVE ID:** CVE-2026-6875
- **CVSS Score:** 9.8 (Critical) *(Note: Based on the "Critical" classification and nature of sandbox escapes)*
- **CWE:** CWE-693 (Protection Mechanism Failure) / CWE-265 (Privilege Sandboxing Issues)
## Affected Systems
- **Products:** ServiceNow AI Platform
- **Versions:**
- **Brazil:** Versions prior to Brazil EA and Brazil GA
- **Australia:** Versions prior to Australia Patch 2
- **Zurich:** Versions prior to Zurich Patch 7b and Zurich Patch 9
- **Yokohama:** Versions prior to Yokohama Patch 12 Hot Fix 1b and Yokohama Patch 13
- **Configurations:** Systems utilizing the ServiceNow AI Platform components.
## Vulnerability Description
CVE-2026-6875 identifies a critical sandbox escape vulnerability within the ServiceNow AI Platform. This flaw allows an attacker to bypass the restricted execution environment (sandbox) designed to isolate AI-driven processes. By escaping the sandbox, an attacker can execute unauthorized code or commands directly on the underlying server infrastructure with the privileges of the application process.
## Exploitation
- **Status:** Not explicitly stated as exploited in the wild, but listed as a Critical advisory.
- **Complexity:** Low to Medium
- **Attack Vector:** Network
## Impact
- **Confidentiality:** High (Potential access to sensitive data and database credentials)
- **Integrity:** High (Ability to modify system files or application logic)
- **Availability:** High (Potential for system-wide disruption or denial of service)
## Remediation
### Patches
ServiceNow has released the following patches to address this vulnerability:
- **Brazil:** Upgrade to Brazil EA or Brazil GA
- **Australia:** Upgrade to Australia Patch 2
- **Zurich:** Upgrade to Zurich Patch 7b or Zurich Patch 9
- **Yokohama:** Upgrade to Yokohama Patch 12 Hot Fix 1b or Yokohama Patch 13
### Workarounds
No specific administrative workarounds were provided in the advisory; immediate patching is the recommended course of action for critical sandbox escapes.
## Detection
- **Indicators of Compromise:** Monitor for unusual outbound network traffic from AI Platform nodes or unexpected command execution logs (e.g., `sh`, `bash`, `cmd`) originating from ServiceNow service accounts.
- **Detection Methods:** Review ServiceNow system logs for unauthorized access attempts to the file system outside of the designated AI sandbox directories.
## References
- **Vendor Advisory:** hxxps[://]support[.]servicenow[.]com/kb?id=kb_article_view&sysparm_article=KB3137947
- **ServiceNow Security Center:** hxxps[://]support[.]servicenow[.]com/kb?id=kb_article_view&sysparm_article=KB1226057
- **Canadian Centre for Cyber Security:** hxxps[://]www[.]cyber[.]gc[.]ca/en/alerts-advisories/servicenow-security-advisory-av26-693