{"schema":"threatline.record/2","record":{"id":"CVE-2026-34486","aliases":[],"summary":"Apache Tomcat Missing Encryption of Sensitive Data Vulnerability","details":"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.","categories":["Web servers"],"product":"Tomcat","vendor":"Apache","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-34486","source_modified_at":"2026-09-21T19:43:41.203Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Apache Tomcat","vendor":"Apache Software Foundation","versions":[{"status":"affected","version":"11.0.20","versionType":"semver"},{"status":"affected","version":"10.1.53","versionType":"semver"},{"status":"affected","version":"9.0.116","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":7.5,"severity":"High","kev":{"listed":true,"date_added":"2026-08-04","due_date":"2026-08-07","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.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.06561,"percentile":0.93804,"score_date":"2026-10-23"},"published_at":"2026-04-09T19:35:35.994Z","modified_at":"2026-09-21T19:43:41.203Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-34486","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-09-21T19:43:41.203Z"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-34486.yaml","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":null},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-34486","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Nuclei","EPSS"],"references":[{"source":"CVE List","url":"https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34486","source":"CISA KEV"},{"source":"CVE List","url":"https://socradar.io/blog/snowlight-government-chinese-campaign/","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34486","tags":["government-resource"]},{"source":"CVE List","url":"https://www.vicarius.io/vsociety/posts/cve-2026-34486-detection-script-rce-on-apache-tomcat"},{"source":"CVE List","url":"https://www.vicarius.io/vsociety/posts/cve-2026-34486-mitigation-script-rce-on-apache-tomcat"},{"source":"CVE List","url":"https://access.redhat.com/security/cve/CVE-2026-34486","tags":["vdb-entry","x_refsource_REDHAT"]},{"source":"CVE List","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2457027","tags":["issue-tracking","x_refsource_REDHAT"]},{"source":"CVE List","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34486.json","tags":["x_sadp-csaf-vex"]},{"source":"CVE List","url":"https://access.redhat.com/errata/RHSA-2026:39188","tags":["vendor-advisory","x_refsource_REDHAT"]},{"source":"CVE List","url":"https://access.redhat.com/errata/RHSA-2026:38505","tags":["vendor-advisory","x_refsource_REDHAT"]},{"source":"CVE List","url":"https://access.redhat.com/errata/RHSA-2026:36787","tags":["vendor-advisory","x_refsource_REDHAT"]},{"source":"CVE List","url":"https://access.redhat.com/errata/RHSA-2026:36789","tags":["vendor-advisory","x_refsource_REDHAT"]},{"source":"CVE List","url":"https://access.redhat.com/errata/RHSA-2026:36788","tags":["vendor-advisory","x_refsource_REDHAT"]},{"source":"CVE List","url":"https://access.redhat.com/errata/RHSA-2026:36790","tags":["vendor-advisory","x_refsource_REDHAT"]},{"source":"CVE List","url":"https://access.redhat.com/errata/RHSA-2026:37137","tags":["vendor-advisory","x_refsource_REDHAT"]},{"source":"CVE List","url":"https://access.redhat.com/errata/RHSA-2026:37136","tags":["vendor-advisory","x_refsource_REDHAT"]},{"source":"CVE List","url":"https://access.redhat.com/errata/RHSA-2026:36878","tags":["vendor-advisory","x_refsource_REDHAT"]},{"source":"CVE List","url":"https://access.redhat.com/errata/RHSA-2026:36876","tags":["vendor-advisory","x_refsource_REDHAT"]},{"source":"CVE List","url":"https://access.redhat.com/errata/RHSA-2026:36877","tags":["vendor-advisory","x_refsource_REDHAT"]},{"source":"CVE List","url":"https://access.redhat.com/errata/RHSA-2026:36879","tags":["vendor-advisory","x_refsource_REDHAT"]},{"source":"CVE List","url":"https://access.redhat.com/errata/RHSA-2026:39189","tags":["vendor-advisory","x_refsource_REDHAT"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"partial","assessed_at":"2026-08-07T03:55:21.600269Z"},"exploits":[{"source":"Nuclei","kind":"Scanner template","name":"Apache Tomcat Tribes EncryptInterceptor Bypass - Remote Code Execution","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-34486.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-09-21T19:43:41.203Z","content_hash":"90f9a31395e23bb4aa1b53c94960b3932c939dcb3854cc05fc24f89e3e29e8fa"}}