CVE-2026-62843
File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. From 2.63.6 to 2.63.16, File Browser's archive builder uses strings.ReplaceAll(nameInArchive, "\", "/"), which turns a POSIX filename such as ..\..\evil.sh into the archive entry ../../evil.sh, allowing a user with upload permission to plant a backslash-named file that escapes the extraction directory when another user downloads and extracts the generated zip or tar archive. This issue is fixed in version 2.63.17.
Слабость
File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. From 2.63.6 to 2.63.16, File Browser's archive builder uses strings.ReplaceAll(nameInArchive, "\", "/"), which turns a POSIX filename such as ..\..\evil.sh into the archive entry ../../evil.sh, allowing a user with upload permission to plant a backslash-named file that escapes the extraction directory when another user downloads and extracts the generated zip or tar archive. This issue is fixed in version 2.63.17.
Источники
- https://github.com/filebrowser/filebrowser/commit/8503ba61ff51d48a7313896483d130eb6a5abfe0
- https://github.com/filebrowser/filebrowser/releases/tag/v2.63.17
- https://github.com/filebrowser/filebrowser/security/advisories/GHSA-83xp-526h-j3ww
- https://github.com/filebrowser/filebrowser/security/advisories/GHSA-83xp-526h-j3ww
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