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    <lastBuildDate>Wed, 14 Oct 2026 22:38:13 +0000</lastBuildDate>
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      <title>CVE-2026-68582 — Vikunja 0.24.0 Broken Object Level Authorization via Link-Share Token</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-68582</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; go-vikunja vikunja&lt;/p&gt;
&lt;p&gt;Vikunja versions &amp;gt;= 0.24.0 and &amp;lt;= 2.3.0 contain a broken object level authorization (BOLA) vulnerability in the task-collection endpoint (GET /api/v1/projects/{project}/views/{view}/tasks). The endpoint loads the requested project view from the URL path without verifying the caller is authorized for it. For a link-share token holder, the task scope is pinned to the share&amp;#39;s own project, but the view is taken from the attacker-controlled path and never re-validated. As a result, a holder of any project share link can read any other tenant&amp;#39;s kanban bucket records — bucket titles and the full created_by user object (username, name, id) — for every view in the instance. The same missing pre-authorization view load also creates a project/view-ID existence oracle (404 vs. non-404) usable by link shares and ordinary authenticated users. Task contents remain constrained to the share&amp;#39;s own project and are not disclosed. Fixed in 2.4.0.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; go-vikunja vikunja&lt;/p&gt;
&lt;p&gt;Vikunja versions &amp;gt;= 0.24.0 and &amp;lt;= 2.3.0 contain a broken object level authorization (BOLA) vulnerability in the task-collection endpoint (GET /api/v1/projects/{project}/views/{view}/tasks). The endpoint loads the requested project view from the URL path without verifying the caller is authorized for it. For a link-share token holder, the task scope is pinned to the share&amp;#39;s own project, but the view is taken from the attacker-controlled path and never re-validated. As a result, a holder of any project share link can read any other tenant&amp;#39;s kanban bucket records — bucket titles and the full created_by user object (username, name, id) — for every view in the instance. The same missing pre-authorization view load also creates a project/view-ID existence oracle (404 vs. non-404) usable by link shares and ordinary authenticated users. Task contents remain constrained to the share&amp;#39;s own project and are not disclosed. Fixed in 2.4.0.&lt;/p&gt;</content:encoded>
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