Auth bypass in Aircheng-Org Iwebshop-5
CVE-2026-86665
A vulnerability was identified in aircheng-org iWebShop-5 up to 5.15. This issue affects the function Update::index of the file controllers/update.php. The manipulation leads to missing authorization. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability class: Broken Access Control
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (44.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Aircheng-Org Iwebshop-5 — versions 5.0, 5.1, 5.10
Weakness classification (CWE)
References
- vuldb.com/vuln/399756 (technical-description, vdb-entry)
- vuldb.com/vuln/399756/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-86665 (third-party-advisory)
- vuldb.com/submit/908923 (third-party-advisory)
- github.com/aircheng-org/iWebShop-5/issues/2 (issue-tracking, exploit)
- github.com/aircheng-org/iWebShop-5/ (product)
Frequently asked questions
- What is CVE-2026-86665?
- CVE-2026-86665 is a high-severity vulnerability in Aircheng-Org Iwebshop-5, classified under Missing Authorization. CVSS score: 7.3/10. Published 2026-09-08.
- How severe is CVE-2026-86665?
- High severity. CVSS v3 base score is 7.3 out of 10.