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I. Basic Information for CVE-2025-27791
Vulnerability Information

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Vulnerability Title
Collabora Online Vulnerable to Arbitrary File Write
Source: NVD (National Vulnerability Database)
Vulnerability Description
Collabora Online is a collaborative online office suite based on LibreOffice technology. In versions prior to 24.04.12.4, 23.05.19, and 22.05.25, there is a path traversal flaw in handling the CheckFileInfo BaseFileName field returned from WOPI servers. This allows for a file to be written anywhere the uid running Collabora Online can write, if such a response was supplied by a malicious WOPI server. By combining this flaw with a Time of Check, Time of Use DNS lookup issue with a WOPI server address under attacker control, it is possible to present such a response to be processed by a Collabora Online instance. This issue has been patched in versions 24.04.13.1, 23.05.19, and 22.05.25.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
相对路径遍历
Source: NVD (National Vulnerability Database)
Vulnerability Title
Collabora Online 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Collabora Online是英国Collabora公司的一个应用软件。一个强大的基于 LibreOffice 的在线办公室,支持所有主要的文档、电子表格和演示文件格式。 Collabora Online 24.04.12.4之前版本、23.05.19版本和22.05.25版本存在安全漏洞,该漏洞源于处理WOPI服务器返回的CheckFileInfo BaseFileName字段时存在路径遍历缺陷,可能导致任意文件写入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
CollaboraOnlineonline >= 24.04.1.1, < 24.04.13.1 -
II. Public POCs for CVE-2025-27791
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III. Intelligence Information for CVE-2025-27791
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