CVE-2026-34486

{"id": "CVE-2026-34486", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-34486", "role": "CISA Coordinator", "options": [{"exploitation": "active"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-07T03:55:21.600269Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security@apache.org", "affectedData": [{"vendor": "Apache Software Foundation", "product": "Apache Tomcat", "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"}]}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "affectedData": [{"cpes": ["cpe:/o:redhat:enterprise_linux:10.2"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "versions": [{"status": "unaffected", "version": "1:10.1.49-3.el10_2", "lessThan": 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"product": "Red Hat Enterprise Linux 10.0 Extended Update Support", "versions": [{"status": "unaffected", "version": "1:9.0.87-6.el10_0", "lessThan": "*", "versionType": "rpm"}], "packageName": "tomcat9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:rhel_els:7"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7 Extended Lifecycle Support", "versions": [{"status": "unaffected", "version": "0:7.0.76-18.el7_9", "lessThan": "*", "versionType": "rpm"}], "packageName": "tomcat", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:8"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "versions": [{"status": "unaffected", "version": "1:9.0.87-2.el8_10", "lessThan": "*", "versionType": "rpm"}], "packageName": "tomcat", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_tus:8.8"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service", "versions": [{"status": "unaffected", "version": "1:9.0.87-2.el8_8", "lessThan": "*", "versionType": "rpm"}], "packageName": "tomcat", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_e4s:8.8"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions", "versions": [{"status": "unaffected", "version": "1:9.0.87-2.el8_8", "lessThan": "*", "versionType": "rpm"}], "packageName": "tomcat", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:9"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "versions": [{"status": "unaffected", "version": "1:9.0.117-2.el9_8", "lessThan": "*", "versionType": "rpm"}], "packageName": "tomcat", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_e4s:9.2"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions", "versions": [{"status": "unaffected", "version": "1:9.0.87-2.el9_2", "lessThan": "*", "versionType": "rpm"}], "packageName": "tomcat", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_e4s:9.4"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions", "versions": [{"status": "unaffected", "version": "1:9.0.87-2.el9_4", "lessThan": "*", "versionType": "rpm"}], "packageName": "tomcat", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:rhel_eus:9.6"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9.6 Extended Update Support", "versions": [{"status": "unaffected", "version": "1:9.0.87-4.el9_6", "lessThan": "*", "versionType": "rpm"}], "packageName": "tomcat", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:jboss_enterprise_web_server:7.0"], "vendor": "Red Hat", "product": "Red Hat JBoss Web Server 7.0.0", "packageName": "tomcat", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_enterprise_web_server:7.0::el10"], "vendor": "Red Hat", "product": "Red Hat JBoss Web Server 7.0 on RHEL 10", "versions": [{"status": "unaffected", "version": "0:11.0.21-5.redhat_00004.1.el10jws", "lessThan": "*", "versionType": "rpm"}], "packageName": "jws7-tomcat", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:jboss_enterprise_web_server:7.0::el8"], "vendor": "Red Hat", "product": "Red Hat JBoss Web Server 7.0 on RHEL 8", "versions": [{"status": "unaffected", "version": "0:11.0.21-5.redhat_00004.1.el8jws", "lessThan": "*", "versionType": "rpm"}], "packageName": "jws7-tomcat", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:jboss_enterprise_web_server:7.0::el9"], "vendor": "Red Hat", "product": "Red Hat JBoss Web Server 7.0 on RHEL 9", "versions": [{"status": "unaffected", "version": "0:11.0.21-5.redhat_00004.1.el9jws", "lessThan": "*", "versionType": "rpm"}], "packageName": "jws7-tomcat", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:6"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "packageName": "tomcat6", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:8"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "packageName": "pki-deps:10.6/pki-servlet-engine", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/o:redhat:enterprise_linux:9"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "packageName": "pki-servlet-engine", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:jboss_enterprise_web_server:5"], "vendor": "Red Hat", "product": "Red Hat JBoss Web Server 5", "packageName": "tomcat", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:jboss_enterprise_web_server:6"], "vendor": "Red Hat", "product": "Red Hat JBoss Web Server 6", "packageName": "tomcat", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}]}], "published": "2026-04-09T20:16:25.063", "references": [{"url": "https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly", "tags": ["Mailing List", "Vendor Advisory"], "source": "security@apache.org"}, {"url": "https://www.vicarius.io/vsociety/posts/cve-2026-34486-detection-script-rce-on-apache-tomcat", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.vicarius.io/vsociety/posts/cve-2026-34486-mitigation-script-rce-on-apache-tomcat", "tags": ["Mitigation", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/errata/RHSA-2026:36787", "tags": ["Third Party Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:36788", "tags": ["Third Party Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:36789", "tags": ["Third Party Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:36790", "tags": ["Third Party Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:36876", "tags": ["Third Party Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:36877", "tags": ["Third Party Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:36878", "tags": ["Third Party Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:36879", "tags": ["Third Party Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:37136", "tags": ["Third Party Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:37137", "tags": ["Third Party Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:38505", "tags": ["Third Party Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:39188", "tags": ["Third Party Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:39189", "tags": ["Third Party Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-34486", "tags": ["Third Party Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2457027", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34486.json", "tags": ["Third Party Advisory"], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://socradar.io/blog/snowlight-government-chinese-campaign/", "tags": ["Third Party Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34486", "tags": ["US Government Resource"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@apache.org", "description": [{"lang": "en", "value": "CWE-311"}]}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "description": [{"lang": "en", "value": "CWE-807"}]}], "descriptions": [{"lang": "en", "value": "Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the\u00a0fix 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 issue."}, {"lang": "es", "value": "Vulnerabilidad de Ausencia de Cifrado de Datos Sensibles en Apache Tomcat debido a la correcci\u00f3n para CVE-2026-29146 que permite el bypass del EncryptInterceptor.\n\nEste problema afecta a Apache Tomcat: 11.0.20, 10.1.53, 9.0.116.\n\nSe recomienda a los usuarios actualizar a la versi\u00f3n 11.0.21, 10.1.54 o 9.0.117, que corrigen el problema."}], "lastModified": "2026-10-26T22:10:00.163", "cisaActionDue": "2026-08-07", "cisaExploitAdd": "2026-08-04", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apache:tomcat:9.0.116:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CC160F23-A9D6-42DA-92E6-886B1B1F48A6"}, {"criteria": "cpe:2.3:a:apache:tomcat:10.1.53:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0E7A0CE9-EBDF-4305-9C06-E7D4521AF422"}, {"criteria": "cpe:2.3:a:apache:tomcat:11.0.20:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "64BAAE4D-2355-43D8-83E5-01CA71D5DC0B"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:jboss_web_server:7.0.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F764C52A-4533-4C39-A5A2-A5E1FE20960C"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D65C2163-CFC2-4ABB-8F4E-CB09CEBD006C"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_els:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0460F769-D90A-4446-AC00-24F66BDBF526"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_eus:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "34990D09-125F-48CA-B85E-9D9F0EB4BC07"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_tus:8.8:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "22D28543-C7C5-46B0-B909-20435AF7A501"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:8.8:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "01ED4F33-EBE7-4C04-8312-3DA580EFFB68"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:9.2:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1FD9BF0E-7ACF-4A83-B754-6E3979ED903F"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:9.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "18B7F648-9A31-4EE5-A215-C860616A4AB7"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_update_services_for_sap_solutions:9.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "554AA8CA-A930-4788-B052-497E09D48381"}], "operator": "OR"}]}], "sourceIdentifier": "security@apache.org", "cisaRequiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA\u2019s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA\u2019s \u201cForensics Triage Requirements\u201d (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.", "cisaVulnerabilityName": "Apache Tomcat Missing Encryption of Sensitive Data Vulnerability"}