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**Name of the Vulnerable Software and Affected Versions** Nextcloud Server versions 25.0.0 through 25.0.8 Nextcloud Server versions 26.0.0 through 26.0.3 Nextcloud Enterprise Server versions 22.0.0 through 22.2.10.13 Nextcloud Enterprise Server versions 23.0.0 through 23.0.12.8 Nextcloud Enterprise Server versions 24.0.0 through 24.0.12.4 **Description** The issue is related to insufficient restriction of authentication attempts in the WebDAV API implementation of Nextcloud cloud software, allowing a remote attacker to gain access to confidential information by brute forcing passwords on the `WebDAV API`. **Recommendations** For Nextcloud Server versions 25.0.0 through 25.0.8, update to version 25.0.9 or later. For Nextcloud Server versions 26.0.0 through 26.0.3, update to version 26.0.4 or later. For Nextcloud Enterprise Server versions 22.0.0 through 22.2.10.13, update to version 22.2.10.14 or later. For Nextcloud Enterprise Server versions 23.0.0 through 23.0.12.8, update to version 23.0.12.9 or later. For Nextcloud Enterprise Server versions 24.0.0 through 24.0.12.4, update to version 24.0.12.5 or later.

**Name of the Vulnerable Software and Affected Versions** Nextcloud Mail versions prior to 1.15.3 Nextcloud Mail versions prior to 2.2.5 Nextcloud Mail versions prior to 3.02 **Description** A blind SSRF attack in Nextcloud Mail allowed sending GET requests to services running in the same web server. **Recommendations** For versions prior to 1.15.3, update to version 1.15.3. For versions prior to 2.2.5, update to version 2.2.5. For versions prior to 3.02, update to version 3.02.