CVE-2026-48145

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{"bugzilla": {"description": "apache-thrift: Apache Thrift: Information disclosure due to improper certificate validation", "id": "2507431", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507431"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-297", "details": ["Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift C++ bindings.\nThis issue affects Apache Thrift: before 0.24.0.\nUsers are recommended to upgrade to version 0.24.0, which fixes the issue.", "A flaw was found in Apache Thrift C++ bindings. This vulnerability, caused by improper validation of certificates with host mismatch, could allow a remote attacker to disclose sensitive information."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, restrict network access to systems utilizing Apache Thrift C++ bindings for SSL/TLS encrypted client connections to trusted private networks only. If feasible, avoid using Apache Thrift C++ bindings for SSL/TLS encrypted client connections in environments where man-in-the-middle attacks are a concern."}, "name": "CVE-2026-48145", "package_state": [{"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Affected", "package_name": "thrift", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}], "public_date": "2026-07-27T10:59:46Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-48145\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-48145\nhttp://www.openwall.com/lists/oss-security/2026/07/24/36\nhttps://lists.apache.org/thread/2popgc4ks1l87jjho1w5fpk5k4x06b7h\nhttps://lists.apache.org/thread/7v3jhgwfbmhx42424phydlnzb109g8b9"], "statement": "This vulnerability strictly impacts Confidentiality with zero effect on Integrity or Availability (C:H, I:N, A:N). Exploitation allows a remote attacker to conduct a man-in-the-middle (MitM) attack and intercept sensitive data transmitted over TLS if hostname validation fails. Red Hat rates this flaw with High Attack Complexity (AC:H) in contrast to NVD's Low Attack Complexity because successful exploitation requires specific, non-default network positioning to intercept traffic alongside a valid TLS certificate that triggers the host mismatch condition. Applications that do not use Apache Thrift C++ bindings for SSL/TLS encrypted client connections, or those operating exclusively over trusted private networks, are unaffected.", "threat_severity": "Moderate"}

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