Description
Nextcloud is an open source content collaboration platform. From versions 1.15.0 to before 1.15.4, 1.16.0 to before 1.16.3, 1.17.0 to before 1.17.1, and 1.18.0 to before 1.18.1, a malicious user with access to an end-to-end encrypted files drop link was able to also drop files into other end-to-end encrypted folders of the share owner. Reading and modifying of other files was not possible. This issue has been patched in versions 1.15.4, 1.16.3, 1.17.1, 1.18.1, and 2.0.0-rc.7.
CVSS 3.5EPSS 0.203%Risk 0.36
View source- Published
- 2026-06-01 17:17:09
- Affected versions
- <1.15.4,>=1.15.0,<1.16.3,>=1.16.0,<1.17.1,>=1.17.0,<1.18.1,>=1.18.0
- Type
- Core software
- Last modified
- 2026-07-22 07:10:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N