Description
Nextcloud Mail before 1.9.5 suffers from improper access control due to a missing permission check allowing other authenticated users to create mail aliases for other users.
References (4)
Core 4
Core References
Third Party Advisory x_refsource_misc
https://hackerone.com/reports/1129996
Third Party Advisory x_refsource_misc
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-jmgp-77jq-fjp3
Patch, Third Party Advisory x_refsource_misc
https://github.com/nextcloud/mail/pull/4864
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/nextcloud/mail/releases/tag/v1.9.5
Scores
CVSS v3
4.3
EPSS
0.0041
EPSS Percentile
61.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Details
CWE
CWE-862
Status
published
Products (1)
nextcloud/nextcloud
< 1.9.5
Published
Jun 11, 2021
Tracked Since
Feb 18, 2026