Unauthenticated file deletion via path traversal
Published Jul 23, 2025 · Updated Jul 23, 2025
Path traversal in files-bucket-server 1.2.6 and earlier allows remote attackers to delete files outside the configured bucket. The DELETE /api/files/:filename endpoint accepts a URL-decoded ../ sequence in filename and removes the resolved path without confining it to the configured bucket. No authentication or user interaction is required; the published proof demonstrates deletion, while the broader file-access claim lacks a documented read request.
Summary
What happened
Path traversal in files-bucket-server 1.2.6 and earlier allows remote attackers to delete files outside the configured bucket. The DELETE /api/files/:filename endpoint accepts a URL-decoded ../ sequence in filename and removes the resolved path without confining it to the configured bucket. No authentication or user interaction is required; the published proof demonstrates deletion, while the broader file-access claim lacks a documented read request.
The record
- CVE
- CVE-2025-8021
- Published
- Jul 23, 2025
- Updated
- Jul 23, 2025
- Vendor
- dsilva2401
- Product
- files-bucket-server
- Classifications
- CWE-22, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jul 23, 2025CVE publishedPublication date reported by the CVE source.
- Jul 23, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=0 <*
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
- Snyk files-bucket-server path traversal proofproof of concept · demonstrated
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Technologies
Your stack
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Your stack
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