CVE-2026-36760CRITICAL 9.6EPSS p30.0%

CVE-2026-36760CVE-2026-36760

Description

An issue in the fileMd5 parameter in the /a/file/upload endpoint of JeeSite v5.15.1 allows authenticated attackers with file upload permissions to execute a path traversal and write arbitrary files with whitelisted suffixes to arbitrary filesystem locations while chunked upload is enabled.

Scoring

CVSS 3.19.6 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
EPSS0.38% probability of exploitation · percentile 30.0% · 2026-06-19T12:03:05Z
Published2026-04-30
Last modified2026-04-30

Underlying weaknesses· 1

CWE-22

References

  1. https://github.com/thinkgem/jeesite
  2. https://github.com/thinkgem/jeesite/issues/530
  3. https://github.com/thinkgem/jeesite/issues/530

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.