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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2026-91981

Vikunja before 2.6.0 User Enumeration via v2 API

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Status
Published
Published
Updated
Assigning organization
VulnCheck

Description

Vikunja versions before 2.6.0 fail to properly validate link-share tokens in the v2 API user search endpoints. Attackers with a read-only share link can enumerate project users via the projects endpoint and confirm arbitrary usernames exist via the global search endpoint.

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 < 2.6.0affected
  • 2.6.0unaffected
pkg:golang/code.vikunja.io/api

References