CVE-2026-72839
criticalpriority · track · 0EPSS 0.006 · 47 %ileEUEPSS · scored 2026-10-27
filebrowser through 2.63.16 fails to properly restrict scope and permissions when self-signup is enabled with default CreateUserDir setting. Unauthenticated attackers can register accounts that inherit the server root scope with full create, modify, delete, rename, share, and download permissions, allowing unrestricted access to all files.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.1–9.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (1)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://github.com/filebrowser/filebrowser/security/advisories/GHSA-6759-996p-gpj6cnnvd
- https://www.vulncheck.com/advisories/filebrowser-through-privilege-escalation-via-signupcnnvd
- https://github.com/filebrowser/filebrowser/security/advisories/GHSA-6759-996p-gpj6enisa_euvd
- https://www.vulncheck.com/advisories/filebrowser-through-privilege-escalation-via-signupenisa_euvd
- https://github.com/filebrowser/filebrowser/security/advisories/GHSA-6759-996p-gpj6nvd
- https://www.vulncheck.com/advisories/filebrowser-through-privilege-escalation-via-signupnvd
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