CVE-2026-2623
Blossom File Upload BLOSManager.java put path traversal
- State
- Published
- Severity
- 5.3 Medium
- Published
- Feb 17, 2026
- Updated
- Feb 23, 2026
- Reserved
- Feb 17, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 6.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 6.3 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 6.5 Medium | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-22 Path Traversal
Affected Products
| Product | Versions |
|---|---|
Blossomn/a |
|
References
- VDB-346274 | Blossom File Upload BLOSManager.java put path traversalvdb-entrytechnical-description
- VDB-346274 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #751988 | Blossom Blossom ≤ 1.17.1 Path Traversalthird-party-advisory
- https://fx4tqqfvdw4.feishu.cn/docx/WmA3dzNfto3AxlxoFlqcu5amnXeexploit
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