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CVE-2026-91985

Vikunja before 2.6.0 Privilege Escalation via Link Share Hash PUBLISHED

Description (CNA)

Vikunja before 2.6.0 fails to properly restrict access to the link-share hash field in single-share read endpoints, allowing read-only members to obtain the share's secret credential. Attackers can exchange the disclosed hash for a link-share JWT at the share's permission level to escalate privileges and perform unauthorized writes or administrative actions.

Affected (CNA)

Vendor / productVersions
go-vikunja / vikunjaaffected 0 before 2.6.0; unaffected 2.6.0

CWE

CWE-200

References

ADP enrichment

CISA-ADP

No English description supplied.