CVE-2026-2623HIGH 8.8EPSS p45.5%

CVE-2026-2623CVE-2026-2623

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.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.63% probability of exploitation · percentile 45.5% · 2026-06-18T12:00:27Z
Published2026-02-17
Last modified2026-04-29

Underlying weaknesses· 1

CWE-22

References

  1. https://fx4tqqfvdw4.feishu.cn/docx/WmA3dzNfto3AxlxoFlqcu5amnXe
  2. https://vuldb.com/?ctiid.346274
  3. https://vuldb.com/?id.346274
  4. https://vuldb.com/?submit.751988

1

TypeTargetConfidenceTier
WeaknessImproper Limitation of a Pathname to a Restricted Directory ('Path Traversal')cwe-220%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.