← CVE Intelligence

CVE-2026-76216

Vikunja through 2.4.0 Principal-Type Confusion via LinkSharing PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
go-vikunja / vikunjaaffected 0 through 2.4.0

CWE

CWE-639

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.