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CVE-2026-111706

99AI through 4.3.0 Unauthenticated Information Disclosure via chatLog exportExcel

99AI through 4.3.0 contains a missing authentication vulnerability in the POST /api/chatLog/exportExcel route that allows unauthenticated attackers to export all users' chat logs. Attackers can send requests with controlled page, size, and optional email fields to download xlsx files containing usernames, emails, prompts, and AI answers.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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CVE-2026-111707

99AI through 4.3.0 IDOR via /api/chatLog/querySingleChat Chat Message Disclosure

99AI through 4.3.0 contains an insecure direct object reference vulnerability that allows unauthenticated attackers to read other users' chat messages because querySingleChat lacks an owner check. Attackers can send a fingerprint header to obtain a visitor JWT and iterate sequential chatId values to retrieve other users' message content and task data.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
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