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Low severity3.5NVD Advisory· Published Aug 10, 2023· Updated Jun 17, 2026

CVE-2023-39959

CVE-2023-39959

Description

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.9, 26.0.4, and 27.0.1, unauthenticated users could send a DAV request which reveals whether a calendar or an address book with the given identifier exists for the victim. Nextcloud Server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. No known workarounds are available.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

6
  • Nextcloud/Server4 versions
    cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*+ 3 more
    • cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*range: >=25.0.0,<25.0.9
    • cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*range: >=25.0.0,<25.0.9
    • cpe:2.3:a:nextcloud:nextcloud_server:27.0.0:*:*:*:-:*:*:*
    • cpe:2.3:a:nextcloud:nextcloud_server:27.0.0:*:*:*:enterprise:*:*:*
  • Nextcloud/Nextcloud Enterprise Serverllm-fuzzy
    Range: 25.0.0 - 25.0.8, 26.0.0 - 26.0.3, 27.0.0
  • Nextcloud/security-advisoriescpe-rescue
    Range: >= 25.0.0, < 25.0.9

Patches

Vulnerability mechanics

References

3

News mentions

0

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