ACTIVELY EXPLOITED
CVE-2025-59689: Libraesva Email Security Gateway Command Injection Vulnerability
| Vendor | Libraesva |
|---|---|
| Product | Email Security Gateway |
| Actively exploited | Yes |
| Added to CISA KEV | 29 Sep 2025 |
| CISA federal deadline | 20 Oct 2025 |
| Weakness (CWE) | CWE-77 |
Required action (CISA's text)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Description (NVD)
Libraesva Email Security Gateway (ESG) contains a command injection vulnerability which allows command injection via a compressed e-mail attachment.
SOURCES
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.