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Medium severity5.8NVD Advisory· Published Aug 10, 2023· Updated Jun 17, 2026

CVE-2023-39958

CVE-2023-39958

Description

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 22.0.0 and prior to versions 22.2.10.13, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, missing protection allows an attacker to brute force the client secrets of configured OAuth2 clients. Nextcloud Server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 22.2.10.13, 23.0.12.8, 24.0.12.5, 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/security-advisoriescpe-rescue
    Range: >= 22.0.0, < 22.2.10.13
  • Nextcloud/Nextcloud Enterprise Serverllm-fuzzy
    Range: 22.0.0 to <22.2.10.13, <23.0.12.8, <24.0.12.5, <25.0.9, <26.0.4, <27.0.1
  • Nextcloud/Server4 versions
    cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*+ 3 more
    • cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:*range: >=22.0.0,<22.2.10.14
    • cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:*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:*:*:*

Patches

Vulnerability mechanics

References

3

News mentions

0

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