Cisco Secure Email Gateway and Secure Email and Web Manager Security Hardening Release: September 2026
Cisco PSIRT has published a new security advisory. Here is a summary and what to do.
Key points
- New advisory from Cisco PSIRT.
- Review affected versions in the advisory.
- Apply updates promptly.
Cisco PSIRT published a security advisory titled “Cisco Secure Email Gateway and Secure Email and Web Manager Security Hardening Release: September 2026”.
At a glance
- Publisher
- Cisco PSIRT
- CVEs
- See advisory
What the advisory says
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 internally discovered vulnerabilities. These vulnerabilities were found during internal testing. Two of them are known to be actively exploited. For more information, see Cisco Secure Email Gateway SQL Injection Vulnerability and Cisco Secure Email Gateway Arbitrary File Write Vulnerability . To assist customers in patching and streamline the disclosure process, Cisco has grouped these issues by their underlying vulnerability class — Common Weakness Enumeration (CWE) — and assigned a single Common Vulnerabilities and Exposures identifier (CVE ID) to each CWE grouping. Cisco has released software
What should you do?
- Read the full vendor advisory linked below and confirm whether you run affected versions.
- Schedule the recommended update, prioritising internet-facing systems.
- Watch for exploitation reports; unpatched edge devices are frequent targets.
What to do and how to stay safe: Cisco PSIRT
- Vulnerability severity scores ignore your specific architecture and context.
- Exploitability depends on network exposure and user behavior, not just code flaws.
- Prioritization requires continuous asset inventory and threat intelligence alignment.
Risk-based vulnerability management focuses your limited resources on the flaws that actually threaten your business. Start by mapping your critical assets and checking for active exploits to prioritize your backlog.
Step-by-step guide: Risk-Based Vulnerability Management: Prioritize Fixes by Actual Danger
General security guidance from the Threat Times newsroom. It is not confirmed advice from the organisations named in this story.
