CVE-2026-2623CWE-22

Blossom File Upload BLOSManager.java put path traversal

Medium · published February 17, 2026

CVSS v4.0
5.3
EPSS
1%
Percentile
60.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
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
EPSS
0.00923 · 60.0th percentile
Weakness
CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Published
2026-02-17T21:02Z
EPSS history
Timeline
  • 17 FEB 21:02Z
    Blossom File Upload BLOSManager.java put path traversal
    cvelistv5