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Back to active CVEs
Critical · CVSS 9.8Known ExploitedCVE-2026-76461

Cisco Secure Email Gateway SQL Injection VulnerabilityCVE-2026-76461

Answer in brief

CVE-2026-76461 records a Critical severity (CVSS 9.8) vulnerability in Cisco Secure Email Gateway SQL Injection Vulnerability. The current sources mark it as known exploited. The current feed maps Cisco/Cisco Secure Email (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 14, 2026Updated Sep 18, 2026Source checked Oct 30, 2026First seen by HOL Sep 14, 2026Material review Sep 18, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.8
Exploitation
Known exploited
Affected software
8 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 9.8. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Cisco/Cisco Secure Email (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:cisco:secure_email_gateway_virtual_appliance_c100v:-:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:a:cisco:secure_email_gateway_virtual_appliance_c300v:-:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:a:cisco:secure_email_gateway_virtual_appliance_c600v:-:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:h:cisco:secure_email_gateway_c195:-:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:h:cisco:secure_email_gateway_c395:-:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:h:cisco:secure_email_gateway_c695:-:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Cisco/Cisco Secure Emailgeneric14.0.0-698 || 13.5.1-277 || 13.0.0-392 || 14.2.0-620 || 13.0.5-007 || 13.5.4-038 || 14.2.1-020 || 14.3.0-032 || 15.0.0-104 || 15.0.1-030 || 15.5.0-048 || 15.5.1-055 || 15.5.2-018 || 16.0.0-050 || 15.0.3-002 || 16.0.0-054 || 15.5.3-022 || 16.0.1-017 || 15.5.4-012 || 16.0.4-016 || 15.0.5-016 || 16.0.2-112 || 16.0.3-044Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Cisco/Cisco Secure Email.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Sep 14, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Sep 18, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 14, 2026

  4. Added to CISA KEV

    Sep 14, 2026

    Evidence: source:kev:kev:kev:record

Sources and claim methodology

  • Source referencesec.cloudapps.cisco.com
  • CISA Known Exploited Vulnerabilities catalogcisa.gov
Upstream source description

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.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
SQL Injection
EPSS
Not reported
CWE IDs
CWE-89
Source
CVE List V5
Source checked
Oct 30, 2026
References
2 linked sources
Open source record