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CVE-2026-56765 Vikunja - Unauthenticated Instance-Wide Data Breach via Link Share Hash Disclosure Chained with Cross-Project Attachment IDOR

🗓️ 10 Jul 2026 13:57:59Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 1 Views

Unauthenticated Vikunja breach exposes link share hashes and enables cross project attachment access.

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15 Jul 2026 01:48Current
6.1Medium risk
Vulners AI Score6.1
CVSS 49.3
EPSS0.00351
1