CVE-2026-91980 — vikunja before 2.6.0 Team Enumeration via Project Share
vikunja before 2.6.0 fails to validate team access when attaching teams to projects, allowing authenticated users to enumerate all teams and members. Attackers can attach arbitr…
Published: 2026-09-15 · CVSS: 5.3 · CVSS 4.0
vikunja before 2.6.0 fails to validate team access when attaching teams to projects, allowing authenticated users to enumerate all teams and members. Attackers can attach arbitrary team IDs via the project teams endpoint to retrieve complete team rosters including member names and admin flags for unauthorized teams.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7