CVE-2025-64011_CVE-2025-64011

4.3 / 10

MEDIUM

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

Description

Nextcloud Server 30.0.0 is vulnerable to an Insecure Direct Object Reference (IDOR) in the /core/preview endpoint. Any authenticated user can access previews of arbitrary files belonging to other users by manipulating the fileId parameter. This allows unauthorized disclosure of sensitive data, such as text files or images, without prior sharing permissions.

Basic Information

ID CVE-2025-64011

Source mitre

Published Dec 12, 2025 at 00:00

Modified Dec 12, 2025 at 19:12

Affected Product

Vendor n/a

Product n/a

Version n/a

Affected Versions n/a n/a n/a

CWE Classification

CWE-639

References

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    "published": "2025-12-12T00:00:00.000Z",
    "modified": "2025-12-12T19:12:34.083Z",
    "type": "cve",
    "title": "CVE-2025-64011",
    "source": "mitre",
    "references": "https://drive.google.com/file/d/1eD3PN-u1caZYgGH96XHmJ7h_OBXEAHW4/view?usp=sharing\nhttps://nextcloud.com\nhttps://gist.github.com/tarekramm/586dfe2d113fedfee6d71182570fc090",
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