CVE-2024-52509

5.7 mediumEPSS 0.5%

Medium (5.7) in nextcloud mail. EPSS 0.5% chance of exploitation in the next 30 days.

Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. The Nextcloud mail app incorrectly allowed attaching shared files without download permissions as attachments. This allowed users to send them the files to themselves and then downloading it from their mail clients. It is recommended that the Nextcloud Mail is upgraded to 2.2.10, 3.6.2 or 3.7.2.

Severity

CVSS 3.1

5.7 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-31)
CWE: CWE-284
Published: 2024-11-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

nextcloud:mail

References

https://github.com/nextcloud/mail/commit/8d44f1ce44684022aa4e62a3e0462fdadcde6c8b
https://github.com/nextcloud/mail/pull/9592
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-pwpp-fvcr-w862
https://hackerone.com/reports/1878255

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