{"cve":{"cve_id":"CVE-2026-34486","is_kev":true,"kev_date_added":"2026-08-04","kev_vendor_project":"Apache","kev_product":"Tomcat","kev_vulnerability_name":"Apache Tomcat Missing Encryption of Sensitive Data Vulnerability","kev_short_description":"Apache Tomcat contains a missing encryption of sensitive data vulnerability that allows the bypass of the EncryptInterceptor. This vulnerability can be chained with CVE‑2025‑24813.","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":"2026-08-07","kev_known_ransomware":false,"kev_notes":"https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly ; 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-2026-34486","kev_cwes":["CWE-311"],"epss_score":0.98616,"epss_percentile":0.9992,"epss_as_of":"2026-08-26","description":"Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the fix for CVE-2026-29146 allowing the bypass of the EncryptInterceptor.\n\nThis issue affects Apache Tomcat: 11.0.20, 10.1.53, 9.0.116.\n\nUsers are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the 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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":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"N","value_label":"None"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"apache","vendor_name":"apache","product_slug":"tomcat","product_name":"Tomcat","version_start":"9.0.116","version_start_inclusive":true,"version_end":"9.0.116","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:apache:tomcat:9.0.116:*:*:*:*:*:*:*"},{"vendor_slug":"apache","vendor_name":"apache","product_slug":"tomcat","product_name":"Tomcat","version_start":"10.1.53","version_start_inclusive":true,"version_end":"10.1.53","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:apache:tomcat:10.1.53:*:*:*:*:*:*:*"},{"vendor_slug":"apache","vendor_name":"apache","product_slug":"tomcat","product_name":"Tomcat","version_start":"11.0.20","version_start_inclusive":true,"version_end":"11.0.20","version_end_inclusive":true,"cpe23_uri":"cpe:2.3:a:apache:tomcat:11.0.20:*:*:*:*:*:*:*"},{"vendor_slug":"apache-software-foundation","vendor_name":"Apache 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