{"schema_version": "1.6.1", "id": "CVE-2026-103878", "summary": "Injection of plaintext responses during StartTLS", "details": "Cleartext transmission of sensitive information vulnerability in Apache Directory LDAP API.\n\n\n\nA StartTLS extended operation started after a Search request has been sent can lead to receive data in plain text before the TLS Handshake has been completed.\n\n\n\nThis issue affects Apache Directory LDAP API: from 2.1.0 before 2.1.9.\n\n\n\nUsers are recommended to upgrade to version 2.1.9, which fixes the issue.", "affected": [{"ranges": [{"type": "SEMVER", "events": [{"introduced": "2.1.0"}, {"fixed": "2.1.9"}]}]}], "references": [{"type": "WEB", "url": "https://lists.apache.org/thread.html/d98f9w01nd3zmkwrr21y0l9kdr9jpty9"}]}