High severity8.8NVD Advisory· Published Jun 1, 2021· Updated Jun 17, 2026
CVE-2021-32652
CVE-2021-32652
Description
Nextcloud Mail is a mail app for the Nextcloud platform. A missing permission check in Nextcloud Mail before 1.4.3 and 1.8.2 allows another authenticated users to access mail metadata of other users. Versions 1.4.3 and 1.8.2 contain patches for this vulnerability; no workarounds other than the patches are known to exist.
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Affected products
3- Range: < 1.4.3
Patches
Vulnerability mechanics
References
2- hackerone.com/reports/1094063nvdExploitThird Party Advisory
- github.com/nextcloud/security-advisories/security/advisories/GHSA-mxx2-6rg9-v2vcnvdThird Party Advisory
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