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    <lastBuildDate>Wed, 30 Sep 2026 21:14:00 +0000</lastBuildDate>
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      <title>CVE-2026-61641 — Wallos: OIDC account takeover via email-based account linking without `email_verified` check</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-61641</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; ellite Wallos&lt;/p&gt;
&lt;p&gt;Wallos is an open-source, self-hostable personal subscription tracker. From version 4.0.0 to before version 4.9.6, Wallos&amp;#39;s OIDC login links an incoming OIDC identity to an existing local account by matching the email claim alone, without verifying that the IdP marked that email as verified (email_verified). When Wallos is configured against an IdP that lets a user present an arbitrary or unverified email (multi-tenant IdPs, IdPs with open self-registration, or any IdP the attacker partly controls), an attacker with no Wallos account can authenticate with the admin&amp;#39;s email and be logged in as the admin — full account takeover, no password needed. This issue has been patched in version 4.9.6.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; ellite Wallos&lt;/p&gt;
&lt;p&gt;Wallos is an open-source, self-hostable personal subscription tracker. From version 4.0.0 to before version 4.9.6, Wallos&amp;#39;s OIDC login links an incoming OIDC identity to an existing local account by matching the email claim alone, without verifying that the IdP marked that email as verified (email_verified). When Wallos is configured against an IdP that lets a user present an arbitrary or unverified email (multi-tenant IdPs, IdPs with open self-registration, or any IdP the attacker partly controls), an attacker with no Wallos account can authenticate with the admin&amp;#39;s email and be logged in as the admin — full account takeover, no password needed. This issue has been patched in version 4.9.6.&lt;/p&gt;</content:encoded>
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