High severity8.8NVD Advisory· Published Aug 14, 2026

CVE-2026-72837

Description

File Browser versions before 2.63.20 fail to honor the createUserDir isolation in proxy and hook authentication auto-provisioning paths. Attackers with valid upstream-authenticated credentials can read, modify, delete, and share files belonging to other users by exploiting the server root scope assignment.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Filebrowser/Filebrowserllm-fuzzy
Range: <2.63.20

Patches

Vulnerability mechanics

References

github.com/filebrowser/filebrowser/security/advisories/GHSA-j7jh-37pf-mf8hnvd
www.vulncheck.com/advisories/file-browser-before-privilege-escalation-via-proxy-authenticationnvd

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cvss	0.572
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000