What is CVE-2026-86666?

CVE-2026-86666 is a high-severity vulnerability in Aircheng-Org Iwebshop-5, classified under Improper Access Control. CVSS score: 7.3/10. Published 2026-09-08.

How severe is CVE-2026-86666?

High severity. CVSS v3 base score is 7.3 out of 10.

Arbitrary file upload in Aircheng-Org Iwebshop-5

CVE-2026-86666

A security flaw has been discovered in aircheng-org iWebShop-5 up to 5.15. Impacted is the function upload_json/uploadFile of the file controllers/pic.php. The manipulation results in unrestricted upload. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Aircheng-org Iwebshop-5 — versions 5.0, 5.1, 5.10

Weakness classification (CWE)

References

cna@vuldb.com (product)
cna@vuldb.com (issue-tracking, exploit)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)

Frequently asked questions

What is CVE-2026-86666?: CVE-2026-86666 is a high-severity vulnerability in Aircheng-Org Iwebshop-5, classified under Improper Access Control. CVSS score: 7.3/10. Published 2026-09-08.
How severe is CVE-2026-86666?: High severity. CVSS v3 base score is 7.3 out of 10.