VULNERABILITY INTELLIGENCE

CVE-2026-45159

CVSS score3.5 LOW
EPSS probability0.20%
CISA KEVNot currently listed
Published2026-06-01
Last modified2026-07-22
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

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.

Weakness classification

  • security-advisories@github.com: CWE-639

Primary references