CVE-2026-2623
Received Received - Intake
Path Traversal in Blossom File Upload Allows Remote Exploitation

Publication date: 2026-02-17

Last updated on: 2026-04-29

Assigner: VulDB

Description
A flaw has been found in Blossom up to 1.17.1. This issue affects the function put of the file blossom-backend/common/common-iaas/src/main/java/com/blossom/common/iaas/blos/BLOSManager.java of the component File Upload. This manipulation causes path traversal. The attack may be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
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Meta Information
Published
2026-02-17
Last Modified
2026-04-29
Generated
2026-06-16
AI Q&A
2026-02-18
EPSS Evaluated
2026-06-15
NVD
CVE-2026-2623
EUVD
EUVD-2026-7655
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
wangyunf blossom to 1.17.1 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
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Executive Summary

This vulnerability is a flaw found in Blossom up to version 1.17.1, specifically in the 'put' function of the file BLOSManager.java within the File Upload component. It allows an attacker to perform a path traversal attack, which means they can manipulate file paths to access files and directories outside the intended scope.

The attack can be initiated remotely, and an exploit for this vulnerability has already been published.

Impact Analysis

This vulnerability can impact you by allowing an attacker to access or manipulate files on the server that should be restricted. This could lead to unauthorized disclosure of sensitive information, modification of files, or disruption of service.

Compliance Impact

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