CVE-2026-76461
criticalpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.295 · 98 %ileexploit · PoCNLRUUSadded 2026-09-14remediate by 2026-09-17
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.
EPSS · scored 2026-10-24
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 parsing logic. An attacker could exploit this vulnerability by sending a crafted email message that contains malicious SQL statements through an affected device. A successful exploit could allow the attacker to execute arbitrary SQL statements, leading to command execution with root privileges on the underlying operating system.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- Fixed13.0.0-392cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed13.0.5-007cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed13.5.1-277cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed13.5.4-038cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed14.0.0-698cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed14.2.0-620cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed14.2.1-020cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed14.3.0-032cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.0.0-104cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.0.1-030cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.0.3-002cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.0.5-016cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.5.0-048cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.5.1-055cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.5.2-018cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.5.3-022cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed15.5.4-012cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.0.0-050cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.0.0-054cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.0.1-017cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.0.2-112cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.0.3-044cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com - Fixed16.0.4-016cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (4)
Public proof-of-concept and weaponised exploit code.
- 0xBlackash/CVE-2026-76461CVE-2026-76461PoC · poc_in_github
- HORKimhab/CVE-2026-76461CVE-2026-76461 - Draft or TODOPoC · poc_in_github
- S3v3n-JG/CVE-2026-76461CVE-2026-76461PoC · poc_in_github
- fevar54/CVE-2026-76461-Detection-Kit-fevar54/CVE-2026-76461-Detection-Kit-PoC · poc_in_github
affected products (53)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- NCSC-2026-0368Kwetsbaarheid verholpen in Cisco Secure Email GatewayNL2026-09-14csaf · ncsc_nlNL
Cisco heeft een kwetsbaarheid verholpen in Cisco Secure Email Gateway.
- cisco-sa-esa-inj-2bLVGmhXCisco Secure Email Gateway SQL Injection Vulnerability2026-09-14csaf · cisco_csafUS
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 parsing logic. An attacker could exploit this vulnerability by sending a crafted email message that contains malicious SQL statements through an affected device. A successful exploit could allow the attacker to execute arbitrary SQL statements, leading to command execution with root privileges on the underlying operating system. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (2) nvd
External citations — patches, advisories, analysis.
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