CVE-2026-33477

FileRise has incorrect authorization in /api/file/snippet.php allows read_own users to read other users’ file content

MEDIUM
4.3
CVSS Score
Published: March 26, 2026 at 05:09 PM UTC
Updated: June 17, 2026 at 10:37 AM UTC
2 products affected across 2 vendorsFileriseFileRise

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2.3.7 ≤ v < 3.11.0
v < 3.11.0
Affected range stops below 3.11.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

x_refsource_CONFIRMExploitMitigationVendor Advisory
Source: cverecord
https://github.com/error311/FileRise/security/advisories/GHSA-62wx-vp78-2p83
x_refsource_MISCRelease Notes
Source: cverecord
https://github.com/error311/FileRise/releases/tag/v3.11.0

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-863

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