{"id":"CVE-2026-43869","title":"Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift.\n\nThis issue affects Apache Thrift: before 0.23.0.\n\nUsers are recommended to upgrade to version 0.23.0, which fixes the issue.","summary":"Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift.\n\nThis issue affects Apache Thrift: before 0.23.0.\n\nUsers are recommended to upgrade to version 0.23.0, which fixes the issue.","severity":"high","cvss":7.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","cwe":["CWE-297","CWE-295"],"vendor":"apache","product":"thrift","affected":["thrift < 0.23.0"],"patched":["thrift 0.23.0"],"published":"2026-05-05","updated":"2026-09-09","sourceUpdated":"2026-09-09T13:20:06.423","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-43869","references":[{"url":"https://lists.apache.org/thread/3hsgl1b69wzq3ry39scqbv2dhyl3j52r","label":"security@apache.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/05/05/3","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2026:21769","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:22347","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:22423","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:23345","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:24503","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:24539","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:25273","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:26586","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:27126","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:28010","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:30651","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:36882","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:42644","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/security/cve/CVE-2026-43869","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2466660","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43869.json","label":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43869"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43869"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-05-06T13:01:36.994667Z"},"epss":0.00632,"epssPercentile":0.48596,"ingestedAt":"2026-07-01T15:50:58.803Z","slug":"CVE-2026-43869","body":"## Overview\n\nImproper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift.\n\nThis issue affects Apache Thrift: before 0.23.0.\n\nUsers are recommended to upgrade to version 0.23.0, which fixes the issue.\n\n## Affected\n\n- `thrift < 0.23.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `thrift 0.23.0`\n\n## Vendor advisories\n\n- **RHSA-2026:28010** · Red Hat · fixed in: Cryostat 4 on RHEL 9 · released 2026-06-22 · [advisory](https://access.redhat.com/errata/RHSA-2026:28010)\n- **RHSA-2026:22423** · Red Hat · fixed in: Multicluster Global Hub 1.3.4 · released 2026-06-02 · [advisory](https://access.redhat.com/errata/RHSA-2026:22423)\n- **RHSA-2026:22347** · Red Hat · fixed in: Multicluster Global Hub 1.4.5 · released 2026-06-01 · [advisory](https://access.redhat.com/errata/RHSA-2026:22347)\n- **RHSA-2026:23345** · Red Hat · fixed in: Multicluster Global Hub 1.6.5 · released 2026-06-04 · [advisory](https://access.redhat.com/errata/RHSA-2026:23345)\n- **RHSA-2026:24503** · Red Hat · fixed in: Multicluster Global Hub 1.7.0 · released 2026-06-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:24503)\n- **RHSA-2026:30651** · Red Hat · fixed in: Red Hat Advanced Cluster Management for Kubernetes 2.13 · released 2026-06-28 · [advisory](https://access.redhat.com/errata/RHSA-2026:30651)\n- **RHSA-2026:36882** · Red Hat · fixed in: Red Hat Advanced Cluster Management for Kubernetes 2.14 · released 2026-07-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:36882)\n- **RHSA-2026:24539** · Red Hat · fixed in: Red Hat Advanced Cluster Management for Kubernetes 2.15 · released 2026-06-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:24539)\n- **RHSA-2026:25273** · Red Hat · fixed in: Red Hat Advanced Cluster Management for Kubernetes 2.16 · released 2026-06-11 · [advisory](https://access.redhat.com/errata/RHSA-2026:25273)\n- **RHSA-2026:26586** · Red Hat · fixed in: Red Hat Build of Apache Camel 3.33 for Quarkus 3.33.2.SP1 · released 2026-06-17 · [advisory](https://access.redhat.com/errata/RHSA-2026:26586)\n- **RHSA-2026:42644** · Red Hat · fixed in: Red Hat OpenShift AI 2.25 · released 2026-07-21 · [advisory](https://access.redhat.com/errata/RHSA-2026:42644)\n- **Red Hat VEX** · Important · affected: Multicluster Global Hub, Red Hat Advanced Cluster Management for Kubernetes 2, Red Hat AI Inference Server, Red Hat build of Apache Camel 4 for Quarkus 3, Red Hat Fuse 7, Red Hat OpenShift Container Platform 4, … · no fix planned: Red Hat AI Inference Server, Red Hat Fuse 7, Red Hat OpenShift Container Platform 4, Multicluster Global Hub, … · updated 2026-09-21 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43869.json)","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":40.2,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}