CVE-2026-108899 tobychui zoraxy Path Exception Matcher authProviders.go handleBasicAuth improper authorization

Medium 6.9 Published Updated

Attackers can bypass authentication in zoraxy reverse proxy by manipulating path prefixes, allowing unauthorized access to protected resources.

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-2026-108899?

CVE-2026-108899 is a medium-severity missing authorization vulnerability in tobychui zoraxy, published on 12 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A flaw has been found in tobychui zoraxy up to 3.3.4. This impacts the function handleBasicAuth of the file mod/dynamicproxy/authProviders.go of the component Path Exception Matcher. This manipulation of the argument PathPrefix causes improper authorization. It is possible to initiate the attack remotely. The exploit has been published and may be used. Upgrading to version 3.3.5-rc1 will fix this issue. Patch name: 37cd0f27b17cd15cfa4af409bfec943146f5fdfe. Upgrading the affected component is advised.

Weakness: CWE-285, CWE-266

Which versions are affected by CVE-2026-108899?

How do I fix CVE-2026-108899?

No fix has been published for CVE-2026-108899 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-108899 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108899 exists.

Sources

Also known as GHSA-6qcv-qc7g-33wv.

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