Exploited vulnerabilities / CVE-2026-76461
Confirmed exploited · SQL injection · Cisco Secure Email GatewayCVE-2026-76461
Cisco Secure Email Gateway SQL injection, confirmed exploited in the wild.
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.
| CISA's name for it | Cisco Secure Email Gateway SQL Injection Vulnerability |
|---|---|
| Vendor and product | Cisco · Secure Email Gateway |
| Type | SQL injection · CWE-89 |
| Exploited | Confirmed by CISA listed 14 September 2026 |
| Likelihood | one of the most likely to be exploited of every vulnerability tracked |
| Deadline | 17 September 2026 · already passed |
| Used in ransomware | Not reported |
| Advisories | sec.cloudapps.cisco.com ↗ · www.cisa.gov ↗ · www.cisa.gov ↗ · nvd.nist.gov ↗ |
Three steps, in this order
Apply the vendor fix.
Treat the database behind it as exposed: rotate the credentials it stores and check for new admin users.
Put a web application firewall rule in front of the endpoint until patched.
| CISA's required action | 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. |
|---|
Know before someone else finds it
Threat Landscape Monitoring fingerprints the software your internet-facing hosts disclose and matches it, every day, against this list and the exploitation scores. When a new entry touches something you run, you are told once, with the host and the fix. The free plan covers one domain.
CVE-2026-76461 in short
Is CVE-2026-76461 being exploited?
Yes. CISA added CVE-2026-76461 to its Known Exploited Vulnerabilities catalogue on 14 September 2026, which it does only on evidence of exploitation in the wild.
What is the CISA deadline for CVE-2026-76461?
US federal agencies must remediate it by 17 September 2026. Everyone else should treat that date as the latest safe point to patch an internet-facing system.
How likely is CVE-2026-76461 to be exploited in the next 30 days?
FIRST's Exploit Prediction Scoring System gives it 40%, the 98th percentile of every CVE it scores.
How do I fix CVE-2026-76461?
Apply the vendor fix. Treat the database behind it as exposed: rotate the credentials it stores and check for new admin users. Put a web application firewall rule in front of the endpoint until patched.
Other Cisco vulnerabilities being exploited
| CVE | Product | Type | Listed |
|---|---|---|---|
| CVE-2026-20320 | BroadWorks | exploited vulnerability | 10 November 2026 |
| CVE-2026-76418 | Secure Firewall ASA Software and Cisco Secure FTD Software | denial of service | 29 October 2026 |
| CVE-2026-76519 | Secure Email Gateway | path traversal | 14 October 2026 |
| CVE-2026-76504 | Catalyst SD-WAN Manager | privilege escalation | 30 September 2026 |
| CVE-2026-76460 | Identity Services Engine | privilege escalation | 16 September 2026 |
| CVE-2026-20079 | Secure Firewall Management Center (FMC) and Security Cloud Control (SCC) Firewall Management | authentication bypass | 9 September 2026 |
Sources: CISA Known Exploited Vulnerabilities catalogue (released 10 November 2026) and FIRST EPSS. Page compiled automatically by SAK T.L.M, the threat-intelligence tool of SAK T.E.C, on 13 November 2026.