CVE-2023-39960

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server starting with 25.0.0 and prior to 25.09 and 26.04; as well as Nextcloud Enterprise Server starting with 22.0.0 and prior to 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, and 26.0.4; missing protection allows an attacker to brute force passwords on the WebDAV API. Nextcloud Server 25.0.9 and 26.0.4 and Nextcloud Enterprise Server 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, and 26.0.4 contain patches for this issue. No known workarounds are available.

• CWE-307

• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2hrc-5fgp-c9c9Vendor Advisory
• https://github.com/nextcloud/server/pull/38046Issue Tracking, Patch
• https://hackerone.com/reports/1924212Third Party Advisory
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2hrc-5fgp-c9c9Vendor Advisory
• https://github.com/nextcloud/server/pull/38046Issue Tracking, Patch
• https://hackerone.com/reports/1924212Third Party Advisory

Published

Oct 13, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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