CVE-2026-2623

MEDIUM
2026-02-17 [email protected]
6.3
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
PoC Detected
Feb 20, 2026 - 16:51 vuln.today
Public exploit code
CVE Published
Feb 17, 2026 - 22:18 nvd
MEDIUM 6.3

Tags

Java Path Traversal Blossom

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.

Analysis

Path traversal in Blossom up to version 1.17.1 file upload functionality allows authenticated remote attackers to access arbitrary files on affected systems. Public exploit code exists for this vulnerability, and no patch is currently available from the vendor despite early notification.

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Remediation

Within 30 days: Identify affected systems running Blossom and apply vendor patches as part of regular patch cycle. Review file handling controls.

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Priority Score

52
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +32
POC: +20

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CVE-2026-2623 vulnerability details – vuln.today
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