| Summary | openSIS Classic 9.3 contains an insecure direct object reference vulnerability in the messaging module. Any authenticated user with access to the messaging module can request sent-message details from modules/messaging/SentMail.php by supplying an arbitrary mail_id value. |
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| Publication Date | June 11, 2026, 11:16 p.m. |
| Registration Date | June 12, 2026, 4:18 a.m. |
| Last Update | June 12, 2026, 1:16 a.m. |