CVE-2026-86666CWE-284CWE-434broken-access-controlunrestricted-file-upload

CVE-2026-86666

High · published September 8, 2026

CVSS v3.1
7.3
EPSS
1%
Percentile
44.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00538 · 44.5th percentile
Weaknesses
CWE-284 · Improper Access Control; CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-09-08T20:18Z
References (7)
https://github.com/aircheng-org/iWebShop-5/ · [email protected]https://github.com/aircheng-org/iWebShop-5/issues/3 · [email protected]https://vuldb.com/cve/CVE-2026-86666 · [email protected]https://vuldb.com/submit/908924 · [email protected]https://vuldb.com/vuln/399757 · [email protected]https://vuldb.com/vuln/399757/cti · [email protected]https://github.com/aircheng-org/iWebShop-5/issues/3 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 10 SEP 03:18Z
    EPSS moved — → 1%
    epss
  • 08 SEP 16:00Z
    aircheng-org iWebShop-5 pic.php uploadFile unrestricted upload
    cvelistv5