Medium severity4.3OSV Advisory· Published Jun 11, 2021· Updated Jun 17, 2026
CVE-2021-22896
CVE-2021-22896
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4Patches
Vulnerability mechanics
References
4- github.com/nextcloud/mail/pull/4864nvdPatchThird Party Advisory
- github.com/nextcloud/mail/releases/tag/v1.9.5nvdRelease NotesThird Party Advisory
- github.com/nextcloud/security-advisories/security/advisories/GHSA-jmgp-77jq-fjp3nvdThird Party Advisory
- hackerone.com/reports/1129996nvdThird Party Advisory
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