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CVE PROGRAM SOURCE RECORD7.7 High

CVE-2026-76216

Vikunja through 2.4.0 Principal-Type Confusion via LinkSharing

Description

Vikunja through 2.4.0 contains a principal-type confusion vulnerability where LinkSharing principals with id N are treated as user principals with users.id == N at three permission checks lacking type guards. Attackers with a link-share JWT can remove victims from teams, enumerate and delete victim bot users, or read team rosters by exploiting id collisions in the autoincrement space.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

go-vikunja vikunja

Default version status: unaffected

  • 0 to ≤ 2.4.0affected
pkg:golang/code.vikunja.io/api

References