Cisco Secure Email Gateway SQL Injection Vulnerability
SQL injection in Cisco AsyncOS for Secure Email Gateway lets an unauthenticated remote attacker execute arbitrary OS commands with root privileges. CISA KEV since Sept. 14.
- Vendor
- Cisco
- Product
- Secure Email Gateway
- CVSS
- 9.8
- EPSS (exploit probability)
- 29.5%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Published
Is CVE-2026-76461 being exploited?
Yes. CISA added CVE-2026-76461 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 29.5% (scored October 14, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-11-01. Full cross-catalog view: /kev-comparison
CVE-2026-76461 timeline
- Added to CISA KEVsame day as NVD
- Published to NVD
- First 0dayNews coverage+1d
Every event links to its source. Catalog dates are each catalog's own; day offsets count from NVD publication. Data: JSON
What to do
US federal civilian agencies must remediate by (3 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
A SQL injection vulnerability in Cisco AsyncOS for Cisco Secure Email Gateway (SEG) allows an unauthenticated, remote attacker to execute arbitrary commands with root privileges on the underlying operating system. No credentials or prior access are required; the attack vector is network-accessible.
CISA added CVE-2026-76461 to its Known Exploited Vulnerabilities catalog on September 14, 2026, with a remediation deadline of September 17, 2026 for federal agencies under BOD 26-04. Cisco has published mitigation guidance; organizations should apply vendor mitigations immediately and consult the NVD record for advisory references.
Other Cisco CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| CVE-2026-76418 Cisco ASA/FTD SSL VPN Secondary Auth Logic Error Enables Remote DoSwrite-up | [ HIGH ] | 8.6 | 0.8% | |
| CVE-2026-76519 Cisco Secure Email Gateway Relative Path Traversal Vulnerability | [ CRITICAL ] | 9.8 | 2.2% | |
| CVE-2026-76501 Cisco NX-OS SRv6 NGOAM unauthenticated root RCEwrite-up | [ CRITICAL ] | 9.8 | 0.5% | — |
| CVE-2026-76471 Cisco NX-OS NX-API unauthenticated root RCEwrite-up | [ CRITICAL ] | 9.8 | 0.5% | — |
| CVE-2026-76504 Cisco Catalyst SD-WAN Manager Authentication Bypasswrite-up | [ CRITICAL ] | 9.8 | 38.9% | |
| CVE-2026-76460 Cisco Identity Services Engine Incorrect Use of Privileged APIs Vulnerabilitywrite-up | [ CRITICAL ] | 10.0 | 75.6% | |
| CVE-2026-20079 Cisco FMC Authentication Bypass Enables Root OS Accesswrite-up | [ CRITICAL ] | 10.0 | 88.7% | |
| CVE-2026-20212 Unauthenticated RCE in Cisco Nexus 9000 Silicon One Switcheswrite-up | [ CRITICAL ] | 9.8 | 0.8% | — |
