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Description

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.1, the fix in commit b6a4fb1 ("self-registered users don't get execute perms") stripped Execute permission and Commands from users created via the signup handler. The same fix was not applied to the proxy auth handler. Users auto-created on first successful proxy-auth login are granted execution capabilities from global defaults, even though the signup path was explicitly changed to prevent execution rights from being inherited by automatically provisioned accounts. This vulnerability is fixed in 2.63.1.

PUBLISHED Reserved 2026-04-03 | Published 2026-04-07 | Updated 2026-04-08 | Assigner GitHub_M




HIGH: 8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-269: Improper Privilege Management

Product status

< 2.63.1
affected

References

github.com/...rowser/security/advisories/GHSA-7526-j432-6ppp exploit

github.com/...rowser/security/advisories/GHSA-7526-j432-6ppp

github.com/filebrowser/filebrowser/pull/5890

cve.org (CVE-2026-35607)

nvd.nist.gov (CVE-2026-35607)

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