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CISA KEV — EXPLOITATION CONNUE Date d’ajout KEV : 14/10/2026

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

Éditeur / produit

Cisco — Secure Email Gateway

Description

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.

Exploitation connue

Cette vulnérabilité figure au catalogue CISA KEV (Known Exploited Vulnerabilities) : une exploitation active a été constatée.

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.
Échéance CISA (agences fédérales américaines, pas une obligation générale) : 17/10/2026

Usage connu dans des campagnes de ransomware : Unknown

Notes

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-afw-zqYJkjxp ; ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-76519

Catégories CWE

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Contenu provenant de sources officielles (CERT-FR / CISA), reproduit tel quel (y compris en anglais pour CISA KEV) sans traduction ni ajout d'information non fournie par la source.