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Path TraversalWeakness · CWE-22

CVE-2026-54414

CRITICAL · 9.8 CVSS v3.1 Developing Published 2026-06-19
No fix yet
No fix has been published. The vendor has not shipped a fixed release or patch. You remain exposed.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
FileRise before 3.16.0 is vulnerable to path traversal in the shared-folder upload endpoint (/api/folder/uploadToSharedFolder.php), leading to arbitrary file write and administrator account takeover. The upload filename is validated by FolderController with basename and REGEX_FILE_NAME, which permit URL-encoded sequences (the regex blocks / and \ but not %).

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · low confidence
Developing — this CVE was published recently and its authoritative NVD entry is still being established, so we're holding a technical summary until the source data settles rather than publish something unreliable. Re-checking after 2026-08-11.

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Recommended fix High confidence

3.16.0

  1. 1. Backup the entire FileRise installation directory and database before proceeding with any upgrade.
  2. 2. Download FileRise version 3.16.0 from the official source or your vendor's repository.
  3. 3. Replace the existing FileRise installation files with the version 3.16.0 files, preserving configuration files and user data directories where possible.
  4. 4. Verify that the /api/folder/uploadToSharedFolder.php file has been updated with the URL-decoding fix that validates path separators before processing.
  5. 5. Test the shared-folder upload functionality to confirm the path traversal mitigation is working (attempt a controlled test upload with URL-encoded path sequences to verify they are now rejected).
  6. 6. If there are any custom configurations or plugins, verify compatibility with version 3.16.0.
  7. 7. Review the application logs to ensure no errors related to the upgrade and that the upload endpoint is functioning correctly.
Caveat Review release notes for 3.16.0 to check for any changes to upload functionality or API behavior that may affect existing integrations or workflows

Generated from the published advisory — verify against the referenced sources before acting.

No vendor fix exists The vendor has not published a patch for this.

There is no version to upgrade to and no patch to apply. Every affected install stays exposed until the vendor ships a fix — or somebody else builds one.

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2026-54414 in production — separate from our analysis above.

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What this is

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  • Version or environment caveats, and links to real fixes
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