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.
Advisories
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Fixes
Solution
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Workaround
No workaround given by the vendor.
References
History
Tue, 15 Sep 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | vikunja before 2.6.0 Team Enumeration via Project Share | |
| First Time appeared |
Vikunja
Vikunja vikunja |
|
| Weaknesses | CWE-200 | |
| CPEs | cpe:2.3:a:vikunja:vikunja:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Vikunja
Vikunja vikunja |
|
| References |
| |
| Metrics |
cvssV3_1
|
Projects
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-09-15T16:03:30.623Z
Reserved: 2026-09-15T11:10:41.353Z
Link: CVE-2026-91980
No data.
Status : Received
Published: 2026-09-15T16:17:54.940
Modified: 2026-09-15T16:17:54.940
Link: CVE-2026-91980
No data.
OpenCVE Enrichment
No data.
Weaknesses