Vikunja: Cross-tenant task-position rows can be injected into arbitrary project views via the unvalidated project_view_id in the task position endpoint (v1 and v2) in code.vikunja.io/api
Vikunja: Cross-tenant task-position rows can be injected into arbitrary project views via the unvalidated project_view_id in the task position endpoint (v1 and v2) in code.vikunja.io/api. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: code.vikunja.io/api before v2.6.0.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-91984US | medium4.3OT elevated | — | ||
Vikunja before 2.6.0 fails to validate that user-supplied project_view_id in task-position requests belongs to the task's project. Authenticated attackers can insert task position… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/go-vikunja/vikunja/commit/077dc4de79ce6f1ab59215a2c7bf9b30423685f2WEB
- https://github.com/go-vikunja/vikunja/pull/3688WEB
- https://github.com/go-vikunja/vikunja/releases/tag/v2.6.0WEB
- https://github.com/go-vikunja/vikunja/security/advisories/GHSA-w39f-h553-h2mxADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2026-91984ADVISORY
- https://www.vulncheck.com/advisories/vikunja-before-2.6.0-broken-object-level-authorization-via-task-positionWEB
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