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{"analysis": {"en": {"generated_at": "2026-04-28T19:24:31.062032+00:00", "value": {"mitigation_remediation": ["Upgrade Apache Thrift to version 0.23.0 or later, which contains the certificate hostname verification fix.", "Verify that the TSSLTransportFactory configuration explicitly enables hostname verification and that certificates presented by servers match the expected hostnames.", "If an upgrade cannot be performed immediately, isolate exposed Thrift services behind a firewall or VPN and monitor TLS traffic for abnormal certificate usage."], "summary": {"action": "Immediate Patch", "impact": "Man\u2011in\u2011the\u2011Middle leading to confidentiality and integrity compromise"}, "threat_synthesis": {"affected_systems": "Apache Thrift, part of the Apache Software Foundation, is affected in all releases prior to version 0.23.0.", "description_and_impact": "The flaw occurs in Apache Thrift\u2019s TSSLTransportFactory, where certificate hostname verification is performed incorrectly. An attacker who can present a certificate that does not match the intended server hostname will be accepted by the client, permitting a man\u2011in\u2011the\u2011middle attack. This enables an adversary to intercept, read, or modify data transmitted over the Thrift connection and potentially inject malicious payloads if the data flows are unencrypted.", "risk_and_exploitability": "The CVSS score is 7.4 and the EPSS score is <1%, but because the exploitation requires only SSL/TLS interception, the likelihood of a successful MITM attack is significant in environments where Thrift services are publicly reachable. The vulnerability is not currently listed in the CISA KEV catalog, yet the absence of EKV does not diminish the risk posed by casual or sophisticated adversaries attempting to spy on or tamper with Thrift traffic."}}}}, "created": "2026-04-28T12:30:31.055920+00:00", "updated": "2026-04-28T19:30:27.382689+00:00", "vendors": []}