CVE-2026-36762

Published Apr 30, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
An issue in the fileEntityId 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Path Traversal in JeeSite File Upload Allowing Arbitrary File Write
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Path Traversal in JeeSite File Upload Allowing Arbitrary File Write
Weaknesses CWE-22
Type Values Removed Values Added
First Time appeared Thinkgem
Thinkgem jeesite
Vendors & Products Thinkgem
Thinkgem jeesite
Type Values Removed Values Added
Description An issue in the fileEntityId 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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
May 4, 2026, 5:52 PM
Reserved
Apr 6, 2026, 12:00 AM
Status
Deferred
Published
Apr 30, 2026, 6:16 PM
Modified
Jun 17, 2026, 10:41 AM