CVE-2026-76519: Cisco Secure Email Gateway Relative Path Traversal Vulnerability
Cisco Secure Email Gateway · in CISA KEV since 2026-10-14
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Secure Stripe checkout (card, Apple Pay, Google Pay) · 14-day fix-or-refund if it doesn't work as described · terms
What it is
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.
Required action (CISA)
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.
| CWE | CWE-23 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD published | 2026-10-14 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2026-76519.json · all KEV CVEs
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