ALT-PU-2026-8903-1

Package update nextcloud in branch sisyphus_e2k

Version33.0.2-alt1

Task#0

Published2026-05-27

Max severityMEDIUM

Severity:

Closed issues (4)

MEDIUM4.9

Уязвимость облачного программного обеспечения для создания и использования хранилища данных Nextcloud Server и Nextcloud Enterprise Server, связанная с недостатками разграничения доступа к личной информации, позволяющая нарушителю получить несанкционированный доступ к учетным записям пользователям

Published: 2026-03-18

CVSS 3.xMEDIUM 4.9

CVSS:3.x/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CVSS 2.0MEDIUM 6.8

CVSS:2.0/AV:N/AC:L/Au:S/C:C/I:N/A:N

References

MEDIUM5.4

Cross-site scripting (XSS) vulnerability in a reachable files_pdfviewer example directory in Nextcloud with versions before 22.2.10.33, 23.0.12.29, 24.0.12.28, 25.0.13.23, 26.0.13.20, 27.1.11.20, 28.0.14.11, 29.0.16.8, 30.0.17, 31.0.10, and 32.0.1 allows attackers to execute arbitrary JavaScript in the context of a user's browser via a crafted PDF file to viewer.html. This issue is related to CVE-2024-4367, but the root cause of this Nextcloud issue is that the product exposes executable example code on a same-origin basis.

Published: 2025-12-04Modified: 2026-06-17

CVSS 3.xMEDIUM 5.4

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References

MEDIUM4.9

Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 31.0.10 and 32.0.1 and Nextcloud Enterprise Server prior to 28.0.14.11, 29.0.16.8, 30.0.17.3, and 31.0.10, contacts search allowed to retrieve personal data of other users (emails, names, identifiers) without proper access control. This allows an authenticated user to retrieve information about accounts that are not related or added as contacts.

Published: 2025-12-05Modified: 2026-06-17

CVSS 3.xMEDIUM 4.9

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

References

MEDIUM6.1

Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server and Server Enterprise prior to 31.0.12 and 32.0.3, a missing sanitization allowed malicious users to circumvent the content security policy when a malicious user manages to trick a user it viewing an uploaded SVG outside of the Nextcloud Servers web page.

Published: 2025-12-05Modified: 2026-06-17

CVSS 3.xMEDIUM 6.1

CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References