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PHP CVE-2026-33477

| EUVD-2026-16277 MEDIUM
Incorrect Authorization (CWE-863)
2026-03-26 GitHub_M
4.3
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

4
Patch available
Apr 16, 2026 - 05:29 EUVD
3.11.0
EUVD ID Assigned
Mar 26, 2026 - 17:45 euvd
EUVD-2026-16277
Analysis Generated
Mar 26, 2026 - 17:45 vuln.today
CVE Published
Mar 26, 2026 - 17:09 nvd
MEDIUM 4.3

DescriptionNVD

FileRise is a self-hosted web-based file manager with multi-file upload, editing, and batch operations. In versiosn 2.3.7 through 3.10.0, the file snippet endpoint /api/file/snippet.php allows an authenticated user with only read_own access to a folder to retrieve snippet content from files uploaded by other users in the same folder. This is a server-side authorization flaw in the read_own enforcement for hover previews. Version 3.11.0 fixes the issue.

AnalysisAI

FileRise versions 2.3.7 through 3.10.0 suffer from improper access control in the file snippet endpoint, allowing authenticated users with read-only access to retrieve file content uploaded by other users in shared folders. An attacker with limited folder permissions can exploit this authorization bypass to view sensitive files beyond their intended access scope. …

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RemediationAI

Within 30 days: Identify affected systems running versiosn 2.3.7 and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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CVE-2026-33477 vulnerability details – vuln.today

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