What’s Vulnerable › Vulnerabilities

CVE-2024-52513: Nextcloud Server's Attachments folder for Text app is accessible on "Files drop" and "Password protected" shares

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-11-15 · updated 2026-06-17
• Weakness: CWE-200

Description

Nextcloud Server is a self hosted personal cloud system. After receiving a "Files drop" or "Password protected" share link a malicious user was able to download attachments that are referenced in Text files without providing the password. It is recommended that the Nextcloud Server is upgraded to 28.0.11, 29.0.8 or 30.0.1 and Nextcloud Enterprise Server is upgraded to 25.0.13.13, 26.0.13.9, 27.1.11.9, 28.0.11, 29.0.8 or 30.0.1.

Affected products

• Nextcloud Server: from 25.0.0 before 25.0.13.13; from 26.0.0 before 26.0.13.9; from 27.0.0 before 27.1.11.9; from 28.0.0 before 28.0.11; from 29.0.0 before 29.0.8; from 30.0.0 before 30.0.1 — fixed in 25.0.13.13, 26.0.13.9, 27.1.11.9, 28.0.11, 29.0.8, 30.0.1

How to fix

Upgrade to a fixed version: Nextcloud Server 25.0.13.13, 26.0.13.9, 27.1.11.9, 28.0.11. Check the vendor advisory for mitigations.

References

• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-gxph-5m4j-pfmj
• https://github.com/nextcloud/text/commit/ca24b25c93b81626b4e457c260243edeab5f1548
• https://github.com/nextcloud/text/pull/6485
• https://hackerone.com/reports/2376900

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