CVE-2026-108899
This manipulation of the argument PathPrefix causes improper authorization.
Does this matter?
Lower severity and a low EPSS score (0.45%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 4.0
- 5.5 MEDIUMCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.45% probability · 39th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-266, CWE-285
- Source
- cna@vuldb.com
EPSS moved from 0.6% on 13 October 2026 to 0.5% on 26 October 2026.
References
- 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
- https://github.com/tobychui/zoraxy/
- https://github.com/tobychui/zoraxy/commit/37cd0f27b17cd15cfa4af409bfec943146f5fdfe
- https://github.com/tobychui/zoraxy/pull/1291
- https://github.com/tobychui/zoraxy/releases/tag/v3.3.5-rc1
- https://vuldb.com/cve/CVE-2026-108899
- https://vuldb.com/submit/976047
- https://vuldb.com/vuln/416690
- https://vuldb.com/vuln/416690/cti
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.