EUVD-2026-78324

Affected versions of MISP fail to authorize a submitted sharing group in a specific event-edit path. The vulnerable logic checked whether the acting user could use a sharinggroupid only when the request explicitly supplied distribution = 4. If the attacker instead omitted distribution but supplie...

CVE-2026-91825 MISP: Missing Authorization Check for Event Sharing Group When Distribution Field Is Omitted During Edit

Affected versions of MISP fail to authorize a submitted sharing group in a specific event-edit path. The vulnerable logic checked whether the acting user could use a sharinggroupid only when the request explicitly supplied distribution = 4. If the attacker instead omitted distribution but supplie...