High severity · published Sep 8, 2026
CVE-2026-86666
aircheng-org iWebShop-5 pic.php uploadFile unrestricted upload
7.3
CVSS
0.5%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IW
iWebShop-5 · aircheng-org
5.0; 5.1; 5.2; 5.3; 5.4; 5.5; +10 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-86666
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-86666
github.com
https://github.com/aircheng-org/iWebShop-5/
github.com
https://github.com/aircheng-org/iWebShop-5/issues/3
vuldb.com
https://vuldb.com/cve/CVE-2026-86666
vuldb.com
https://vuldb.com/submit/908924
vuldb.com
https://vuldb.com/vuln/399757
vuldb.com
https://vuldb.com/vuln/399757/cti
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