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CVE-2026-76461: Cisco Secure Email Gateway SQL Injection Vulnerability

Cisco Secure Email Gateway · in CISA KEV since 2026-09-14

2026-09-14added to KEV

2026-09-17federal remediation due date

2.01%EPSS exploit probability (30 days) 80.0th percentile

9.8 CRITICALCVSS 3.1

Unknownknown ransomware use

0days from NVD publication to KEV

What it is

Cisco AsyncOS software for Cisco Secure Email Gateway (SEG) contains a SQL injection vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary commands with root privileges 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-89
CVSS vector	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`
NVD published	2026-09-14 (Analyzed)

Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2026-76461.json · all KEV CVEs

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