CVSS: 2.6EPSS: 0%CPEs: 6EXPL: 0CVE-2025-47794 – Nextcloud Server vulnerable to insecure temporary file creation, race with write access and permission
https://notcve.org/view.php?id=CVE-2025-47794
16 May 2025 — Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 29.0.13, 30.0.7, and 31.0.1 and Nextcloud Enterprise Server prior to 26.0.13.13, 27.1.11.13, 28.0.14.4, 29.0.13, 30.0.7, and 31.0.1, an attacker on a multi-user system may read temporary files from Nextcloud running with a different user account, or run a symlink attack. Nextcloud Server versions 29.0.13, 30.0.7, and 31.0.1 and Nextcloud Enterprise Server 26.0.13.13, 27.1.11.13, 28.0.14.4, 29.0.13, 30.0.7, and 31.0.1 fix t... • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-q568-2933-gcjq • CWE-284: Improper Access Control •
CVSS: 4.3EPSS: 0%CPEs: 6EXPL: 0CVE-2025-47793 – Nextcloud Server and Groupfolders app vulnerable to bypass of group folder quota limit using attachment in text file
https://notcve.org/view.php?id=CVE-2025-47793
16 May 2025 — 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, N... • https://github.com/nextcloud/groupfolders/pull/3328 • CWE-770: Allocation of Resources Without Limits or Throttling •
CVSS: 4.3EPSS: 0%CPEs: 3EXPL: 0CVE-2025-47791 – Nextcloud Server's test remote endpoint is not rate limited
https://notcve.org/view.php?id=CVE-2025-47791
16 May 2025 — Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 28.0.13, 29.0.10, and 30.0.3 and Nextcloud Enterprise Server prior to 28.0.13, 29.0.10, and 30.0.3, a currently unused endpoint to verify a share recipient was not protected correctly, allowing to proxy requests to another server. The endpoint was removed in Nextcloud Server 28.0.13, 29.0.10, and 30.0.3 and Nextcloud Enterprise Server 28.0.13, 29.0.10, and 30.0.3. No known workarounds are available. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c7vq-m7f8-rx37 • CWE-918: Server-Side Request Forgery (SSRF) •
CVSS: 6.6EPSS: 0%CPEs: 6EXPL: 0CVE-2025-47790 – Nextcloud Server doesn't request second factor after session timeout
https://notcve.org/view.php?id=CVE-2025-47790
16 May 2025 — Nextcloud Server is a self hosted personal cloud system. Nextcloud Server prior to 29.0.15, 30.0.9, and 31.0.3 and Nextcloud Enterprise Server prior to 26.0.13.15, 27.1.11.15, 28.0.14.6, 29.0.15, 30.0.9, and 31.0.3 have a bug with session handling. The bug caused skipping the second factor confirmation after a successful login with the username and password when the server was configured with `remember_login_cookie_lifetime` set to `0`, once the session expired on the page to select the second factor and th... • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-9h3w-f3h4-qqrh • CWE-287: Improper Authentication •
CVSS: 2.6EPSS: 0%CPEs: 3EXPL: 0CVE-2024-52513 – Nextcloud Server's Attachments folder for Text app is accessible on "Files drop" and "Password protected" shares
https://notcve.org/view.php?id=CVE-2024-52513
15 Nov 2024 — Nextcloud Server is a self hosted personal cloud system. After receiving a "Files drop" or "Password protected" share link a malicious user was able to download attachments that are referenced in Text files without providing the password. It is recommended that the Nextcloud Server is upgraded to 28.0.11, 29.0.8 or 30.0.1 and Nextcloud Enterprise Server is upgraded to 25.0.13.13, 26.0.13.9, 27.1.11.9, 28.0.11, 29.0.8 or 30.0.1. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-gxph-5m4j-pfmj • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •
CVSS: 4.1EPSS: 0%CPEs: 2EXPL: 0CVE-2024-52514 – Nextcloud Server allows users to copy folder that contain files that are blocked by the files access control
https://notcve.org/view.php?id=CVE-2024-52514
15 Nov 2024 — Nextcloud Server is a self hosted personal cloud system. After a user received a share with some files inside being blocked by the files access control, the user would still be able to copy the intermediate folder inside Nextcloud allowing them to afterwards potentially access the blocked files depending on the user access control rules. It is recommended that the Nextcloud Server is upgraded to 27.1.9, 28.0.5 or 29.0.0 and Nextcloud Enterprise Server is upgraded to 21.0.9.18, 22.2.10.23, 23.0.12.18, 24.0.1... • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-g8pr-g25r-58xj • CWE-284: Improper Access Control •
CVSS: 6.8EPSS: 0%CPEs: 3EXPL: 0CVE-2024-52515 – Nextcloud Server has incomplete sanitization of SVG files allows to embed other images into previews
https://notcve.org/view.php?id=CVE-2024-52515
15 Nov 2024 — Nextcloud Server is a self hosted personal cloud system. After an admin enables the default-disabled SVG preview provider, a malicious user could upload a manipulated SVG file referencing paths. If the file would exist the preview of the SVG would preview the other file instead. It is recommended that the Nextcloud Server is upgraded to 27.1.10, 28.0.6 or 29.0.1 and Nextcloud Enterprise Server is upgraded to 24.0.12.15, 25.0.13.10, 26.0.13.4, 27.1.10, 28.0.6 or 29.0.1. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-5m5g-hw8c-2236 • CWE-706: Use of Incorrectly-Resolved Name or Reference •
CVSS: 4.3EPSS: 0%CPEs: 2EXPL: 0CVE-2024-52516 – Nextcloud Server's shares are not removed when user is limited to share with in their groups and being removed from one of them
https://notcve.org/view.php?id=CVE-2024-52516
15 Nov 2024 — Nextcloud Server is a self hosted personal cloud system. When a server is configured to only allow sharing with users that are in ones own groups, after a user was removed from a group, previously shared items were not unshared. It is recommended that the Nextcloud Server is upgraded to 22.2.11 or 23.0.11 or 24.0.6 and Nextcloud Enterprise Server is upgraded to 22.2.11 or 23.0.11 or 24.0.6. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-35gc-jc6x-29cm • CWE-269: Improper Privilege Management •
CVSS: 5.9EPSS: 0%CPEs: 3EXPL: 0CVE-2024-52517 – Nextcloud Server's global credentials of external storages are sent back to the frontend
https://notcve.org/view.php?id=CVE-2024-52517
15 Nov 2024 — Nextcloud Server is a self hosted personal cloud system. After storing "Global credentials" on the server, the API returns them and adds them into the frontend again, allowing to read them in plain text when an attacker already has access to an active session of a user. It is recommended that the Nextcloud Server is upgraded to 28.0.11, 29.0.8 or 30.0.1 and Nextcloud Enterprise Server is upgraded to 25.0.13.13, 26.0.13.9, 27.1.11.9, 28.0.11, 29.0.8 or 30.0.1. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-x9q3-c7f8-3rcg • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •
CVSS: 4.6EPSS: 0%CPEs: 3EXPL: 0CVE-2024-52518 – Nextcloud Server is missing password confirmation when changing external storage options
https://notcve.org/view.php?id=CVE-2024-52518
15 Nov 2024 — Nextcloud Server is a self hosted personal cloud system. After an attacker got access to the session of a user or administrator, the attacker would be able to create, change or delete external storages without having to confirm the password. It is recommended that the Nextcloud Server is upgraded to 28.0.12, 29.0.9 or 30.0.2. • https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vrhf-532w-99rg • CWE-287: Improper Authentication •