CVE-2026-73613filebrowser before 2.63.19 Out-of-Scope File Deletion via Symlink
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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filebrowser versions before 2.63.19 contain an out-of-scope file deletion vulnerability in the TUS upload cache eviction mechanism that allows authenticated users with only Create permission to delete arbitrary files outside their scope. Attackers can swap an ancestor directory with a symlink during the cache TTL window to redirect the raw os.Remove call to an out-of-scope target, bypassing ScopedFs scope guards and Perm.Delete checks.
- CVSS
- 8.2 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:H/A:H
- Weakness (CWE)
- CWE-59
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Aug 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
filebrowser filebrowser filebrowser:filebrowser (from the name) | before 2.63.19; 2.63.19 not affected | CNA record |
References
- https://github.com/filebrowser/filebrowser/security/advisories/GHSA-m9f5-2232-frp6vendor-advisory
- https://www.vulncheck.com/advisories/filebrowser-before-out-of-scope-file-deletion-via-symlinkthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.