Technology · Cisco
Cisco Secure Email Gateway vulnerabilities
Updated . Rebuilt every hour.
Junglewise Threat Intelligence has tracked 10 vulnerabilities in Cisco Secure Email Gateway: 0 in the last 7 days and 8 in the last 90 days, 7 of them critical and 3 exploited in the wild. The most recent, CVE-2026-76519, was published on 14 October 2026. 1 vulnerability in the last four weeks, down 83% on the four before (6). 1 critical against 5, 1 exploited in the wild against 1.
- Last 7 days
- 0
- Last 90 days
- 8
- Critical, all time
- 7
- Exploited in the wild
- 3
About Cisco Secure Email Gateway
Email gateway appliance for securing and managing email traffic.
Latest Cisco Secure Email Gateway vulnerabilities
- CVE-2026-76519: Cisco Secure Email Gateway relative path traversalcriticalexploited in the wild
- CVE-2026-76461: Cisco Secure Email Gateway SQL injectioncriticalexploited in the wildCVSS 9.8EPSS 28.3%
- CVE-2026-76443: Cisco Secure Email Gateway improper neutralization vulnerabilitycriticalCVSS 9.8EPSS 0.5%
- CVE-2026-76442: Cisco Secure Email Gateway improper input validationhighCVSS 7.5EPSS 0.5%
- CVE-2026-76441: Cisco Secure Email Gateway access control bypasscriticalCVSS 9.8EPSS 0.5%
- CVE-2026-76440: Cisco Secure Email Gateway path traversalcriticalCVSS 9.8EPSS 0.6%
- CVE-2026-20353: Cisco Secure Email Gateway improper resource controlcriticalCVSS 9.8EPSS 0.4%
- CVE-2026-20293: Cisco UCS UEFI Shell Secure Boot bypasshighCVSS 7.1EPSS 0.2%
- CVE-2026-8811: SEPPmail Secure Email Gateway path traversal in PDF moduleinfoCVSS 7.1EPSS 0.4%
- CVE-2025-20393: Cisco Secure Email Gateway command injection in Spam Quarantinecriticalexploited in the wildCVSS 10EPSS 5.0%
Most severe Cisco Secure Email Gateway vulnerabilities
Exploited in the wild first, then by severity and CVSS score.
- CVE-2025-20393: Cisco Secure Email Gateway command injection in Spam Quarantinecriticalexploited in the wildCVSS 10EPSS 5.0%
- CVE-2026-76461: Cisco Secure Email Gateway SQL injectioncriticalexploited in the wildCVSS 9.8EPSS 28.3%
- CVE-2026-76519: Cisco Secure Email Gateway relative path traversalcriticalexploited in the wild
- CVE-2026-76440: Cisco Secure Email Gateway path traversalcriticalCVSS 9.8EPSS 0.6%
- CVE-2026-76443: Cisco Secure Email Gateway improper neutralization vulnerabilitycriticalCVSS 9.8EPSS 0.5%
- CVE-2026-76441: Cisco Secure Email Gateway access control bypasscriticalCVSS 9.8EPSS 0.5%
- CVE-2026-20353: Cisco Secure Email Gateway improper resource controlcriticalCVSS 9.8EPSS 0.4%
- CVE-2026-76442: Cisco Secure Email Gateway improper input validationhighCVSS 7.5EPSS 0.5%
- CVE-2026-20293: Cisco UCS UEFI Shell Secure Boot bypasshighCVSS 7.1EPSS 0.2%
- CVE-2026-8811: SEPPmail Secure Email Gateway path traversal in PDF moduleinfoCVSS 7.1EPSS 0.4%
Vulnerabilities per week
1 vulnerability in the last four weeks, down 83% on the four before (6). 1 critical against 5, 1 exploited in the wild against 1. The last 13 weeks, by the week each vulnerability was published.
| Week of | Bar | Vulns | Critical |
|---|---|---|---|
| 17 Aug 2026 | 0 | 0 | |
| 24 Aug 2026 | 0 | 0 | |
| 31 Aug 2026 | 0 | 0 | |
| 7 Sep 2026 | 1 | 0 | |
| 14 Sep 2026 | 6 | 5 | |
| 21 Sep 2026 | 0 | 0 | |
| 28 Sep 2026 | 0 | 0 | |
| 5 Oct 2026 | 0 | 0 | |
| 12 Oct 2026 | 1 | 1 | |
| 19 Oct 2026 | 0 | 0 | |
| 26 Oct 2026 | 0 | 0 | |
| 2 Nov 2026 | 0 | 0 | |
| 9 Nov 2026 | 0 | 0 |
Embed a badge
A live badge for a README, a status page or an internal wiki: how many Cisco Secure Email Gateway vulnerabilities were published in the last 7 days and how many of them are critical, refreshed hourly.
[](https://junglewise.ai/threats/technologies/secure-email-gateway)<a href="https://junglewise.ai/threats/technologies/secure-email-gateway"><img src="https://junglewise.ai/threats/technologies/secure-email-gateway/badge.svg" alt="Cisco Secure Email Gateway vulnerabilities" /></a>How this is built
Junglewise Threat Intelligence collects vulnerabilities from NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories, and matches each one to the technologies and vendors it affects. Dates are the date a vulnerability was published, in UTC.
The pages are rebuilt from the database every hour. Frozen weekly and monthly reports never change once published, so they can be cited.
Use this data
The same data is at https://junglewise.ai/threats/technologies/secure-email-gateway.json, and this page as text at https://junglewise.ai/threats/technologies/secure-email-gateway.md, for scripts and language models. It is free to reuse under CC BY 4.0 with a link back to this page.
Cite as: Junglewise Threat Intelligence, "Cisco Secure Email Gateway vulnerabilities", https://junglewise.ai/threats/technologies/secure-email-gateway, 13 November 2026.