Cisco Secure Email Gateway Flaw Exploited in the Wild, Enables Root Command Execution

Cisco has warned that a new critical vulnerability impacting AsyncOS Software for Cisco Secure Email Gateway has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-76461 , carries a CVSS score of 9.8 out of a maximum of 10.0. It has been described as a case of...

Phishious

What is Phishious? Phishious is an open-source Secure Email Gateway SEG evaluation toolkit designed for red-teamers and developed by the team at CanIPhish. Phishious provides the ability to see how various Secure Email Gateway technologies behave when presented with phishing material. 📬 Secure...

HtmlSmuggling

HtmlSmuggling HTML smuggling is a malicious technique used by hackers to hide malware payloads in an encoded script in a specially crafted HTML attachment or web page. The malicious script decodes and deploys the payload on the targeted device when the victim opens/clicks the HTML attachment/link...

Vulnerability exposure in Cisco Secure Email Gateway

Cisco has identified a vulnerability in Cisco Secure Email Gateway. This vulnerability lies in the processing of email messages within the Cisco AsyncOS software for Cisco Secure Email Gateway. It arises due to insufficient validation of incoming email messages. An unauthorized malicious actor ca...

CVE-2026-76461

A vulnerability in the email parsing of Cisco AsyncOS Software for Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to execute arbitrary commands with root privileges on the underlying operating system. This vulnerability is due to insufficient validation in the email...

CVE-2026-76441

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

CVE-2026-76440

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

CVE-2026-76442

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

CVE-2026-76443

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

EUVD-2026-77626

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

CVE-2026-76442 Cisco Secure Email Gateway Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

CVE-2026-76442

CVE-2026-76442 affects Cisco Secure Email Gateway and Cisco Secure Email and Web Manager , where multiple internally discovered vulnerabilities stem from improper validation of specified quantity in input (CWE-1284). Cisco rates this HIGH severity (CVSS 7.5) with a network attack vector , no requ...

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

A vulnerability in the email parsing of Cisco AsyncOS Software for Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to execute arbitrary commands with root privileges on the underlying operating system. This vulnerability is due to insufficient validation in the email...

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

A vulnerability in the email parsing of Cisco AsyncOS Software for Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to execute arbitrary commands with root privileges on the underlying operating system. This vulnerability is due to insufficient validation in the email...

EUVD-2026-77625

A vulnerability in the email parsing of Cisco AsyncOS Software for Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to execute arbitrary commands with root privileges on the underlying operating system. This vulnerability is due to insufficient validation in the email...

CVE-2026-76443

CVE-2026-76443 affects Cisco Secure Email Gateway and Cisco Secure Email and Web Manager , where internally discovered vulnerabilities involving improper neutralization (CWE-707) were identified during a comprehensive internal security review. The issues are addressed through software hardening r...

CVE-2026-76443 Cisco Secure Email Gateway Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

EUVD-2026-77623

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

CVE-2026-76440 Cisco Secure Email Gateway Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

CVE-2026-76441 Cisco Secure Email Gateway Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...