# CVE-2026-86246: tomcat-native: Initialization of a resource with an insecure default vulnerability in Apache Tomcat Native enabled insecure options... CVE-2026-86246 is fixed in 11 products on 1 platform, first by RHSA-2026:93618, released September 23, 2026. It is not reported as exploited. Patch Radar priority: Urgent. - Web page: https://patchblox.com/security/cve/CVE-2026-86246 - Priority: Urgent - CVSS: 9.1 (critical) - EPSS: 0.0035 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Sep 23, 2026 ## Description Initialization of a resource with an insecure default vulnerability in Apache Tomcat Native enabled insecure options by default including ALLOW_CLIENT_RENEGOTIATION, NO_EXTENDED_MASTER_SECRET, IGNORE_UNEXPECTED_EOF and ALLOW_NO_DHE_KEX. This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from 1.3.0 through 1.3.8. Earlier unsupported versions may also be affected. Users are recommended to upgrade to version 2.0.16 or 1.3.9, which fix the issue. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | jws7-mod_cluster RHEL 10 | 2.1.1-1.Final_redhat_00001.1.el10jws | [RHSA-2026:93618](https://patchblox.com/security/data/fix/linux/rhsa-2026-93618.md) | Sep 23, 2026 | | Linux | jws7-tomcat RHEL 10 | 11.0.21-10.redhat_00010.1.el10jws | [RHSA-2026:93618](https://patchblox.com/security/data/fix/linux/rhsa-2026-93618.md) | Sep 23, 2026 | | Linux | jws7-tomcat-native RHEL 10 | 1.3.7-4.redhat_4.el10jws | [RHSA-2026:93618](https://patchblox.com/security/data/fix/linux/rhsa-2026-93618.md) | Sep 23, 2026 | | Linux | libtcnative-1-0 opensuse-leap 16.0 | 1.3.9-160000.1.1 | [OPENSUSE-SU-2026:21984-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21984-1.md) | Sep 30, 2026 | | Linux | libtcnative-1-0 sles 15.6 | 1.3.9-150600.16.9.2 | [SUSE-SU-2026:4544-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4544-1.md) | Oct 6, 2026 | | Linux | libtcnative-1-0 sles 15.7 | 1.3.9-150600.16.9.2 | [SUSE-SU-2026:4544-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4544-1.md) | Oct 6, 2026 | | Linux | libtcnative-1-0 sles 16.0 | 1.3.9-160000.1.1 | [SUSE-SU-2026:23985-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23985-1.md) | Sep 30, 2026 | | Linux | libtcnative-2-0 opensuse-leap 16.0 | 2.0.16-160000.1.1 | [OPENSUSE-SU-2026:21984-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21984-1.md) | Sep 30, 2026 | | Linux | libtcnative-2-0 sles 15.6 | 2.0.16-150400.9.6.1 | [SUSE-SU-2026:4658-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4658-1.md) | Nov 7, 2026 | | Linux | libtcnative-2-0 sles 15.7 | 2.0.16-150400.9.6.1 | [SUSE-SU-2026:4658-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4658-1.md) | Nov 7, 2026 | | Linux | libtcnative-2-0 sles 16.0 | 2.0.16-160000.1.1 | [SUSE-SU-2026:23985-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23985-1.md) | Sep 30, 2026 | | Linux | tomcat opensuse-leap 16.0 | 9.0.122-160000.1.1 | [OPENSUSE-SU-2026:21984-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21984-1.md) | Sep 30, 2026 | | Linux | tomcat sles 15.6 | 9.0.122-150200.123.2 | [SUSE-SU-2026:4546-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4546-1.md) | Oct 6, 2026 | | Linux | tomcat sles 15.7 | 9.0.122-150200.123.2 | [SUSE-SU-2026:4546-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4546-1.md) | Oct 6, 2026 | | Linux | tomcat sles 16.0 | 9.0.122-160000.1.1 | [SUSE-SU-2026:23985-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23985-1.md) | Sep 30, 2026 | | Linux | tomcat-native Debian 14 | 2.0.16-1 | [DEBIAN-CVE-2026-86246](https://patchblox.com/security/data/fix/linux/debian-cve-2026-86246.md) | Sep 24, 2026 | | Linux | tomcat-native amzn 2023 | 2.0.16-1.amzn2023.0.1 | [ALAS2023-2026-3167](https://patchblox.com/security/data/fix/linux/alas2023-2026-3167.md) | Nov 7, 2026 | | Linux | tomcat-native-debuginfo amzn 2023 | 2.0.16-1.amzn2023.0.1 | [ALAS2023-2026-3167](https://patchblox.com/security/data/fix/linux/alas2023-2026-3167.md) | Nov 7, 2026 | | Linux | tomcat-native-debugsource amzn 2023 | 2.0.16-1.amzn2023.0.1 | [ALAS2023-2026-3167](https://patchblox.com/security/data/fix/linux/alas2023-2026-3167.md) | Nov 7, 2026 | | Linux | tomcat10 opensuse-leap 16.0 | 10.1.60-160000.1.1 | [OPENSUSE-SU-2026:21984-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21984-1.md) | Sep 30, 2026 | | Linux | tomcat10 sles 15.6 | 10.1.60-150200.5.82.2 | [SUSE-SU-2026:4546-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4546-1.md) | Oct 6, 2026 | | Linux | tomcat10 sles 15.7 | 10.1.60-150200.5.82.2 | [SUSE-SU-2026:4546-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4546-1.md) | Oct 6, 2026 | | Linux | tomcat10 sles 16.0 | 10.1.60-160000.1.1 | [SUSE-SU-2026:23985-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23985-1.md) | Sep 30, 2026 | | Linux | tomcat11 opensuse-leap 16.0 | 11.0.26-160000.1.1 | [OPENSUSE-SU-2026:21984-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21984-1.md) | Sep 30, 2026 | | Linux | tomcat11 sles 15.6 | 11.0.26-150600.13.36.2 | [SUSE-SU-2026:4544-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4544-1.md) | Oct 6, 2026 | | Linux | tomcat11 sles 15.7 | 11.0.26-150600.13.36.2 | [SUSE-SU-2026:4544-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4544-1.md) | Oct 6, 2026 | | Linux | tomcat11 sles 16.0 | 11.0.26-160000.1.1 | [SUSE-SU-2026:23985-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23985-1.md) | Sep 30, 2026 | --- Data as of 2026-11-08T06:59:42Z UTC. 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