CVE-2026-75339

Missing Permission Checks on /storage/upload Enable Authenticated Upload and Anonymous Download

Published Aug 27, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
The storage endpoint /storage/upload of cjbi admin3 v3.0.0 are missing permission checks. /Any logged-in user can upload arbitrary files, and any anonymous attacker can download them.

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
Metrics ssvc

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

Type Values Removed Values Added
Title Missing Permission Checks on /storage/upload Enable Authenticated Upload and Anonymous Download
Type Values Removed Values Added
Title Unrestricted File Upload and Retrieval in cjbi admin3
Weaknesses CWE-284
Type Values Removed Values Added
Weaknesses CWE-862
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'}

Type Values Removed Values Added
Title Unrestricted File Upload and Retrieval in cjbi admin3
Weaknesses CWE-284
Type Values Removed Values Added
Description The storage endpoint /storage/upload of cjbi admin3 v3.0.0 are missing permission checks. /Any logged-in user can upload arbitrary files, and any anonymous attacker can download them.
References

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 28, 2026, 7:04 PM
Reserved
Aug 17, 2026, 12:00 AM
Status
Deferred
Published
Aug 28, 2026, 12:18 AM
Modified
Sep 9, 2026, 4:04 PM