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      <title>BIT-nextcloud-2026-45690 — Nextcloud: Two-Factor Authentication Bypass via Pending Session Token Replay</title>
      <link>https://cve.radiocsirt.org/vuln/bit-nextcloud-2026-45690</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Bitnami: nextcloud&lt;/p&gt;
&lt;p&gt;Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, an authentication bypass vulnerability allowed attackers with knowledge of a user&amp;#39;s password to circumvent two-factor authentication (2FA) protections. When a user initiated login with valid credentials on a 2FA-enabled account, the system created a temporary session token before enforcing the second factor challenge. This token could be extracted and replayed via HTTP Basic Authentication to gain unauthorized access to authenticated endpoints. It is recommended that the Nextcloud Server is upgraded to 33.0.3 or 32.0.9. It is recommended that the Nextcloud Enterprise Server is upgraded to 33.0.3, 32.0.9, 31.0.14.5, 30.0.17.9 or 29.0.16.16&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Bitnami: nextcloud&lt;/p&gt;
&lt;p&gt;Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, an authentication bypass vulnerability allowed attackers with knowledge of a user&amp;#39;s password to circumvent two-factor authentication (2FA) protections. When a user initiated login with valid credentials on a 2FA-enabled account, the system created a temporary session token before enforcing the second factor challenge. This token could be extracted and replayed via HTTP Basic Authentication to gain unauthorized access to authenticated endpoints. It is recommended that the Nextcloud Server is upgraded to 33.0.3 or 32.0.9. It is recommended that the Nextcloud Enterprise Server is upgraded to 33.0.3, 32.0.9, 31.0.14.5, 30.0.17.9 or 29.0.16.16&lt;/p&gt;</content:encoded>
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    <item>
      <title>certfr-2026-avi-0583 — De multiples vulnérabilités ont été découvertes dans les produits Nextcloud. Elles permettent à un attaquant de provoqu…</title>
      <link>https://cve.radiocsirt.org/vuln/certfr-2026-avi-0583</link>
      <description>certfr-2026-avi-0583</description>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/certfr-2026-avi-0583</guid>
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    <item>
      <title>EUVD-2026-323827</title>
      <link>https://cve.radiocsirt.org/vuln/euvd-2026-323827</link>
      <description>EUVD-2026-323827</description>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/euvd-2026-323827</guid>
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      <title>fkie_cve-2026-45690</title>
      <link>https://cve.radiocsirt.org/vuln/fkie_cve-2026-45690</link>
      <description>&lt;p&gt;Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, an authentication bypass vulnerability allowed attackers with knowledge of a user&amp;#39;s password to circumvent two-factor authentication (2FA) protections. When a user initiated login with valid credentials on a 2FA-enabled account, the system created a temporary session token before enforcing the second factor challenge. This token could be extracted and replayed via HTTP Basic Authentication to gain unauthorized access to authenticated endpoints. It is recommended that the Nextcloud Server is upgraded to 33.0.3 or 32.0.9. It is recommended that the Nextcloud Enterprise Server is upgraded to 33.0.3, 32.0.9, 31.0.14.5, 30.0.17.9 or 29.0.16.16&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, an authentication bypass vulnerability allowed attackers with knowledge of a user&amp;#39;s password to circumvent two-factor authentication (2FA) protections. When a user initiated login with valid credentials on a 2FA-enabled account, the system created a temporary session token before enforcing the second factor challenge. This token could be extracted and replayed via HTTP Basic Authentication to gain unauthorized access to authenticated endpoints. It is recommended that the Nextcloud Server is upgraded to 33.0.3 or 32.0.9. It is recommended that the Nextcloud Enterprise Server is upgraded to 33.0.3, 32.0.9, 31.0.14.5, 30.0.17.9 or 29.0.16.16&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/fkie_cve-2026-45690</guid>
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    <item>
      <title>WID-SEC-W-2026-1773 — Nextcloud: Mehrere Schwachstellen</title>
      <link>https://cve.radiocsirt.org/vuln/wid-sec-w-2026-1773</link>
      <description>&lt;p&gt;Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Nextcloud ausnutzen, um Sicherheitsvorkehrungen zu umgehen, einen Denial of Service zu verursachen und Informationen offenzulegen.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Nextcloud ausnutzen, um Sicherheitsvorkehrungen zu umgehen, einen Denial of Service zu verursachen und Informationen offenzulegen.&lt;/p&gt;</content:encoded>
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