CVE-2026-76519：Cisco Secure Email Gateway Relative Path Traversal Vulnerability

Cisco Secure Email Gateway contains a relative path traversal vulnerability that could allow an unauthenticated, remote attacker to write arbitrary files on the underlying operating system.

漏洞信息

• CVE 编号：CVE-2026-76519
• 厂商 / 产品：Cisco / Secure Email Gateway
• 加入 KEV 时间：2026-10-14
• 修复期限：2026-10-17
• 勒索软件利用：暂未发现

处置建议

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

弱点类型

CWE-23

参考链接

• NVD 漏洞详情
• CISA 已知被利用漏洞目录

该漏洞已被 CISA 确认在野利用，请优先处置。

原文链接： CVE-2026-76519：Cisco Secure Email Gateway Relative Path Traversal Vulnerability