Vulnerability · Published Oct 12, 2026 · Assigned by VulDB
CVE-2026-108899tobychui zoraxy Path Exception Matcher authProviders.go handleBasicAuth improper authorization
High 7.3
In plain English
A high-severity security flaw in zoraxy from tobychui. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).
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.
Affected products (as reported)
Weakness: CWE-285, CWE-266 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
References
- VDB-416690 | tobychui zoraxy Path Exception Matcher authProviders.go handleBasicAuth improper authorization vdb-entry, technical-description
- VDB-416690 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-108899 | CVE Analysis and Report third-party-advisory
- Submit #976047 | https://github.com/tobychui/ zoraxy <= 3.3.4 Improper Input Validation third-party-advisory
- https://github.com/carfeii/oss/blob/main/zoraxy.md#finding-1-path-exception-rules-for-basic-auth-zorxauth-and-captcha-match-on-raw-string-prefix-not-a-path-boundary exploit
- https://github.com/tobychui/zoraxy/pull/1291 issue-tracking, patch
- https://github.com/tobychui/zoraxy/commit/37cd0f27b17cd15cfa4af409bfec943146f5fdfe patch
- https://github.com/tobychui/zoraxy/releases/tag/v3.3.5-rc1 patch
- https://github.com/tobychui/zoraxy/ product