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CVE-2026-91983

Vikunja before 2.6.0 API Token Scope Bypass via expand Parameter PUBLISHED

Description (CNA)

Vikunja before 2.6.0 contains an API token scope bypass vulnerability in task read endpoints where authorization fails to inspect query string parameters. Attackers with limited token scopes can use the expand parameter to access restricted data like comments, reactions, and time entries without proper permission verification.

Affected (CNA)

Vendor / productVersions
go-vikunja / vikunjaaffected 1.0.0 before 2.6.0; unaffected 2.6.0

CWE

CWE-863

References

ADP enrichment

CISA-ADP

No English description supplied.