Auth bypass in Aircheng-Org Iwebshop-5
CVE-2026-86669
A vulnerability was detected in aircheng-org iWebShop-5 up to 5.15. This affects the function Login of the file controllers/systemseller.php. Performing a manipulation of the argument Name results in improper authentication. It is possible to initiate the attack remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability class: Broken Authentication
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: 0.007 (52.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Aircheng-Org Iwebshop-5 — versions 5.0, 5.1, 5.10
Weakness classification (CWE)
References
- vuldb.com/vuln/399760 (technical-description, vdb-entry)
- vuldb.com/vuln/399760/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-86669 (third-party-advisory)
- vuldb.com/submit/908927 (third-party-advisory)
- github.com/aircheng-org/iWebShop-5/issues/6 (issue-tracking, exploit)
- github.com/aircheng-org/iWebShop-5/ (product)
Frequently asked questions
- What is CVE-2026-86669?
- CVE-2026-86669 is a high-severity vulnerability in Aircheng-Org Iwebshop-5, classified under Improper Authentication. CVSS score: 7.3/10. Published 2026-09-08.
- How severe is CVE-2026-86669?
- High severity. CVSS v3 base score is 7.3 out of 10.