CVE-2026-72837
highpriority · track · 0EPSS 0.006 · 46 %ileEUEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.3–8.8
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-j7jh-37pf-mf8hcnnvd
- https://www.vulncheck.com/advisories/file-browser-before-privilege-escalation-via-proxy-authenticationcnnvd
- https://github.com/filebrowser/filebrowser/security/advisories/GHSA-j7jh-37pf-mf8henisa_euvd
- https://www.vulncheck.com/advisories/file-browser-before-privilege-escalation-via-proxy-authenticationenisa_euvd
- https://github.com/filebrowser/filebrowser/security/advisories/GHSA-j7jh-37pf-mf8hnvd
- https://www.vulncheck.com/advisories/file-browser-before-privilege-escalation-via-proxy-authenticationnvd
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