A vulnerability exists in Google Apigee's JavaCallout policy https://docs.apigee.com/api-platform/reference/policies/java-callout-policy that allows for remote code execution. It is possible for a user to write a JavaCallout that injected a malicious object into the MessageContext to execute arbitrary Java code and system commands at runtime, leading to unauthorized access to data, lateral movement within the network, and access to backend systems. The Apigee hybrid versions below have all been updated to protect from this vulnerability: * Hybrid_1.11.2+ * Hybrid_1.12.4+ * Hybrid_1.13.3+ * Hybrid_1.14.1+ * OPDK_5202+ * OPDK_5300+
Conclusion & alert: CVE-2025-13426 is rated Moderate Risk (57.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.46%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-15 | 0.40% | 0.46% | +0.06% |
| 2 | 2026-05-03 | 0.62% | 0.40% | -0.22% |
| 3 | 2026-04-06 | — | 0.62% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.7 | 4.0 | HIGH |
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— | — | f45cbf4e-4146-4068-b7e1-655ffc2c548c |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| No affected products in dataset. | |||