What’s Vulnerable › Vulnerabilities

CVE-2023-28844: User without download rights can download older version of that file in nextcloud server

• Severity: medium (CVSS 6.5 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: 2023-03-31 · updated 2026-06-17
• Weakness: CWE-284

Description

Nextcloud server is an open source home cloud implementation. In affected versions users that should not be able to download a file can still download an older version and use that for uncontrolled distribution. This issue has been addressed in versions 24.0.10 and 25.0.4. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected products

• Nextcloud Server: from 24.0.4 before 24.0.10; from 25.0.0 before 25.0.4 — fixed in 24.0.10, 25.0.4

How to fix

Upgrade to a fixed version: Nextcloud Server 24.0.10, 25.0.4. Check the vendor advisory for mitigations.

References

• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-w47p-f66h-h2vj
• https://github.com/nextcloud/server/pull/36113
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-w47p-f66h-h2vj
• https://github.com/nextcloud/server/pull/36113

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