Threats Tagged 'cve-2026-49952'
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Threats Tagged 'cve-2026-49952'
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CVE-2026-49952: Reusing a Nonce, Key Pair in Encryption in Discuz! Discuz! X5.0CVE-2026-49952 0 Discuz! X5.0 releases 20260320 through 20260501 contains an authentication bypass vulnerability that allows unauthenticated remote attackers to gain unauthorized access to database backup and restore functionality by exploiting a shared cryptographic key between UCenter integration and the database backup API exposed by dbbak.php. Attackers can inject a crafted payload through the username parameter during login to abuse the encryption oracle in logging_ctl::logging_more(), obtain a legitimately signed token, and use it to bypass authorization for database export and import operations, with the additional ability to trigger a race condition to impersonate arbitrary users. Join the discussion | CVE Database V5 | 06/15/2026, 18:43:21 UTC Added: 06/15/2026, 19:30:41 UTC |
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