[KIS-2026-10] Discuz! <= X5.0 OCR-based CAPTCHA Bypass Vulnerability (opens in new tab)

Posted by Egidio Romano on Jun 15------------------------------------------------------ Discuz! <= X5.0 OCR-based CAPTCHA Bypass Vulnerability ------------------------------------------------------ [-] Software Link: [-] Affected Versions: Version X5.0, releases 20260320 through 20260610. Older X3.4 and X3.5 releases may be affected too. [-] Vulnerability Description: A security weakness in the CAPTCHA implementation of Discuz! allows automated...