{"cve":{"cve_id":"CVE-2026-76461","is_kev":true,"kev_date_added":"2026-09-14","kev_vendor_project":"Cisco","kev_product":"Secure Email Gateway","kev_vulnerability_name":"Cisco Secure Email Gateway SQL Injection Vulnerability","kev_short_description":"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.","kev_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.","kev_due_date":"2026-09-17","kev_known_ransomware":false,"kev_notes":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-inj-2bLVGmhX ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-76461","kev_cwes":["CWE-89"],"epss_score":0.02162,"epss_percentile":0.81239,"epss_as_of":"2026-09-15","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.\r\n\r\nThis 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.","published_at":"2026-09-14T16:09:07.839000Z","last_modified_at":"2026-09-15T12:47:32.497000Z","cvss_v3_score":9.8,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_v3_severity":"CRITICAL","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-89"],"nvd_references":["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-inj-2bLVGmhX"],"vuln_status":"Analyzed","trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-09-14T18:01:07.990582Z","updated_at":"2026-09-16T00:09:06.500756Z"},"effective_severity":"CRITICAL","badges":["kev","news"],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"H","value_label":"High"},{"metric":"I","name":"Integrity","value":"H","value_label":"High"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"asyncos","product_name":"asyncos","version_start":null,"version_start_inclusive":null,"version_end":"15.5.5-014","version_end_inclusive":false,"cpe23_uri":"cpe:2.3:o:cisco:asyncos:*:*:*:*:*:*:*:*"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-secure-email","product_name":"Cisco Secure Email","version_start":"13.5.1-277","version_start_inclusive":true,"version_end":"13.5.1-277","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-secure-email:13.5.1-277:13.5.1-277"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-secure-email","product_name":"Cisco Secure Email","version_start":"13.0.0-392","version_start_inclusive":true,"version_end":"13.0.0-392","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-secure-email:13.0.0-392:13.0.0-392"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-secure-email","product_name":"Cisco Secure Email","version_start":"14.2.0-620","version_start_inclusive":true,"version_end":"14.2.0-620","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-secure-email:14.2.0-620:14.2.0-620"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-secure-email","product_name":"Cisco Secure Email","version_start":"13.0.5-007","version_start_inclusive":true,"version_end":"13.0.5-007","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-secure-email:13.0.5-007:13.0.5-007"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-secure-email","product_name":"Cisco Secure Email","version_start":"13.5.4-038","version_start_inclusive":true,"version_end":"13.5.4-038","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-secure-email:13.5.4-038:13.5.4-038"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-secure-email","product_name":"Cisco Secure Email","version_start":"14.2.1-020","version_start_inclusive":true,"version_end":"14.2.1-020","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-secure-email:14.2.1-020:14.2.1-020"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-secure-email","product_name":"Cisco Secure Email","version_start":"14.3.0-032","version_start_inclusive":true,"version_end":"14.3.0-032","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-secure-email:14.3.0-032:14.3.0-032"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-secure-email","product_name":"Cisco Secure Email","version_start":"15.0.0-104","version_start_inclusive":true,"version_end":"15.0.0-104","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-secure-email:15.0.0-104:15.0.0-104"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-secure-email","product_name":"Cisco Secure Email","version_start":"15.0.1-030","version_start_inclusive":true,"version_end":"15.0.1-030","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-secure-email:15.0.1-030:15.0.1-030"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-secure-email","product_name":"Cisco Secure Email","version_start":"15.5.0-048","version_start_inclusive":true,"version_end":"15.5.0-048","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-secure-email:15.5.0-048:15.5.0-048"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-secure-email","product_name":"Cisco Secure Email","version_start":"15.5.1-055","version_start_inclusive":true,"version_end":"15.5.1-055","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-secure-email:15.5.1-055:15.5.1-055"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-secure-email","product_name":"Cisco Secure Email","version_start":"14.0.0-698","version_start_inclusive":true,"version_end":"14.0.0-698","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-secure-email:14.0.0-698:14.0.0-698"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-secure-email","product_name":"Cisco Secure 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Email","version_start":"15.5.3-022","version_start_inclusive":true,"version_end":"15.5.3-022","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-secure-email:15.5.3-022:15.5.3-022"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-secure-email","product_name":"Cisco Secure Email","version_start":"16.0.1-017","version_start_inclusive":true,"version_end":"16.0.1-017","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-secure-email:16.0.1-017:16.0.1-017"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-secure-email","product_name":"Cisco Secure Email","version_start":"15.5.4-012","version_start_inclusive":true,"version_end":"15.5.4-012","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-secure-email:15.5.4-012:15.5.4-012"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-secure-email","product_name":"Cisco Secure Email","version_start":"16.0.4-016","version_start_inclusive":true,"version_end":"16.0.4-016","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-secure-email:16.0.4-016:16.0.4-016"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-secure-email","product_name":"Cisco Secure Email","version_start":"15.0.5-016","version_start_inclusive":true,"version_end":"15.0.5-016","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-secure-email:15.0.5-016:15.0.5-016"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-secure-email","product_name":"Cisco Secure Email","version_start":"16.0.2-112","version_start_inclusive":true,"version_end":"16.0.2-112","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-secure-email:16.0.2-112:16.0.2-112"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-secure-email","product_name":"Cisco Secure Email","version_start":"16.0.3-044","version_start_inclusive":true,"version_end":"16.0.3-044","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-secure-email:16.0.3-044:16.0.3-044"},{"vendor_slug":"cisco","vendor_name":"Cisco","product_slug":"cisco-secure-email","product_name":"Cisco Secure Email","version_start":"15.5.2-018","version_start_inclusive":true,"version_end":"15.5.2-018","version_end_inclusive":true,"cpe23_uri":"cve5:cisco:cisco-secure-email:15.5.2-018:15.5.2-018"}],"exploit_refs":[],"news":[{"id":1873,"source":"The Hacker News","url":"https://thehackernews.com/2026/09/cisco-secure-email-gateway-flaw.html","title":"Cisco Secure Email Gateway Flaw Exploited in the Wild, Enables Root Command Execution","summary":"Cisco has warned that a new critical vulnerability impacting AsyncOS Software for Cisco Secure Email Gateway has come under active exploitation in the wild.\n\nThe vulnerability, tracked as CVE-2026-76461, carries a CVSS score of 9.8 out of a maximum of 10.0. It has been described as a case of insufficient validation in the email parsing logic that could allow an unauthenticated, remote attacker","thumbnail_url":"https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhu8z5yuk0NLq0i2IvKx9dibCdw5at8BanYNBhjn665PLV0EanY_s0UV0D4D0wcPijyd5r8sS4eCMDwKdsVQ9GktnqcPRympe7ZqI7Bh8ZSBukLsxFSQ3-SFRb10ylKsDPl7tU2-M3w_E0eNSe_ytrRE-JZ62fvAExuQCawQJZFjYwArFC550Ri8mOQ1q1s/s1600/cisco-email.jpg","author":"info@thehackernews.com (The Hacker News)","published_at":"2026-09-15T06:11:11Z","fetched_at":"2026-09-15T06:44:08.293650Z","trending_score":0.19116121840871828,"cve_ids":["CVE-2026-76461"]}],"references":[{"url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-esa-inj-2bLVGmhX","source_type":"VENDOR_ADVISORY","tags":["advisory"]}],"timeline":[{"type":"cisa_reported","at":"2026-09-14T00:00:00Z","label":"Added to CISA KEV catalog","source":"kev"},{"type":"published","at":"2026-09-14T16:09:07.839000Z","label":"CVE published","source":null},{"type":"first_article","at":"2026-09-15T06:11:11Z","label":"First news coverage","source":"The Hacker News"}]}