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CVE-2026-35604

File Browser share links remain accessible after Share/Download permissions are revoked

Published: Apr 7, 2026Updated: Apr 16, 2026 Sources: CVE List NVDCWE-863
NVD MITRE
8.1CVSSHIGH
EPSS Score
0.3%
Top 75.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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, when an admin revokes a user's Share and Download permissions, existing share links created by that user remain fully accessible to unauthenticated users. The public share download handler does not re-check the share owner's current permissions. This vulnerability is fixed in 2.63.1.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-863

Affected Products

filebrowserfilebrowser
On-prem
Web & CMS Plugins / site-builder
filebrowseross-projectWeb & CMS Pluginsaka filebrowser

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://github.com/filebrowser/filebrowser/security/advisories/GHSA-v9w4-gm2x-6rvf
github.com
https://github.com/filebrowser/filebrowser/pull/5888
github.com

Timeline

Published
Apr 7, 2026
Last Updated
Apr 16, 2026

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