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Vulnerability record · CVE-2026-75339 · published 28 August 2026

CVE-2026-75339: Missing authorization vulnerability

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.

8.8 CVSS 3.1 High EPSS 0.42% · top 66.5% CWE-862 · Missing authorization Deferred
8.8CVSS 3.1 base score
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
9 Sep 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://github.com/fangtang7/CVE/blob/main/admin3/file.md
https://github.com/fangtang7/CVE/blob/main/admin3/file.md

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Source: NIST National Vulnerability Database (record CVE-2026-75339), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.