CVE-2025-47793
Last modified
CVE-2025-47793 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Nextcloud Server is a self hosted personal cloud system, and the Nextcloud Groupfolders app provides admin-configured folders shared by everyone in a group or team. In Nextcloud Server prior to 30.0.2, 29.0.9, and 28.0.1, Nextcloud Enterprise Server prior to 30.0.2 and 29.0.9, and Nextcloud Groupfolders app prior to 18.0.3, 17.0.5, and 16.0.11, the absence of quota checking on attachments allowed logged-in users to upload files exceeding the group folder quota. EPSS estimates a 0.66% chance of exploitation in the next 30 days.
Description
Nextcloud Server is a self hosted personal cloud system, and the Nextcloud Groupfolders app provides admin-configured folders shared by everyone in a group or team. In Nextcloud Server prior to 30.0.2, 29.0.9, and 28.0.1, Nextcloud Enterprise Server prior to 30.0.2 and 29.0.9, and Nextcloud Groupfolders app prior to 18.0.3, 17.0.5, and 16.0.11, the absence of quota checking on attachments allowed logged-in users to upload files exceeding the group folder quota. Nextcloud Server versions 30.0.2 and 29.0.9, Nextcloud Enterprise Server versions 30.0.2, 29.0.9, or 28.0.12, and Nextcloud Groupfolders app 18.0.3, 17.0.5, and 16.0.11 fix the issue. No known workarounds are available.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Group Folders | >= 16.0.0, < 16.0.11 |
| Nextcloud | Group Folders | >= 17.0.0, < 17.0.5 |
| Nextcloud | Group Folders | >= 18.0.0, < 18.0.3 |
| Nextcloud | Nextcloud Server | >= 28.0.0, < 28.0.12 |
| Nextcloud | Nextcloud Server | >= 29.0.0, < 29.0.9 |
| Nextcloud | Nextcloud Server | >= 30.0.0, < 30.0.2 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-47793?
How severe is CVE-2025-47793?
How do I fix CVE-2025-47793?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-47788Atheos is a self-hosted browser-based cloud IDE. Prior to v6…9.4
- CVE-2025-47789Horilla is a free and open source Human Resource Management …6.1
- CVE-2025-4779lunary-ai/lunary versions prior to 1.9.24 are vulnerable to …6.1
- CVE-2025-47790Nextcloud Server is a self hosted personal cloud system. Nex…6.4
- CVE-2025-47791Nextcloud Server is a self hosted personal cloud system. In …5.3
- CVE-2025-47792Nextcloud Desktop is the desktop sync client for Nextcloud. …6.1
- CVE-2025-47794Nextcloud Server is a self hosted personal cloud system. In …4.3
- CVE-2025-4780A vulnerability was found in PHPGurukul Park Ticketing Manag…9.8
- CVE-2025-47806In GStreamer through 1.26.1, the subparse plugin's parse_sub…5.6
- CVE-2025-47807In GStreamer through 1.26.1, the subparse plugin's subrip_un…5.5
- CVE-2025-47808In GStreamer through 1.26.1, the subparse plugin's tmplayer_…5.6
- CVE-2025-47809Wibu CodeMeter before 8.30a sometimes allows privilege escal…8.2
Are you affected by CVE-2025-47793?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST