CVE-2026-86669 aircheng-org iWebShop-5 systemseller.php login improper authentication

Medium 6.9 Published Updated

Attackers can bypass authentication in the iWebShop seller login by manipulating the Name argument, potentially taking over accounts.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-86669?

CVE-2026-86669 is a medium-severity authentication bypass vulnerability in aircheng-org iWebShop-5, published on 8 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-287

Which versions are affected by CVE-2026-86669?

How do I fix CVE-2026-86669?

No fix has been published for CVE-2026-86669 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-86669 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-86669 exists.

Sources

Also known as GHSA-mcm8-h6h3-g8wf.

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