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GHSA-2PV8-4C52-MF8J Vikunja: Unauthenticated Instance-Wide Data Breach via Link Share Hash Disclosure Chained with Cross-Project Attachment IDOR

🗓️ 26 Mar 2026 16:56:24Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 7 Views

Unauthenticated attacker can chain share hash exposure with cross-project attachment access to exfiltrate files.

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11 Jul 2026 04:11Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.19.1
EPSS0.00512
7