Vulnerability · Published Oct 26, 2026 · Assigned by VulDB
CVE-2026-116113GouGuOA Api.php chunkUpload unrestricted upload
Medium 6.3
In plain English
A medium-severity unrestricted file upload in GouGuOA. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).
Official description
A security flaw has been discovered in GouGuOA up to 6.1.2. The impacted element is the function chunkUpload of the file app/disk/controller/Api.php. The manipulation of the argument file_extension results in unrestricted upload. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products (as reported)
Weakness: CWE-434, CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
References
- VDB-426181 | GouGuOA Api.php chunkUpload unrestricted upload vdb-entry, technical-description
- VDB-426181 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-116113 | CVE Analysis and Report third-party-advisory
- Submit #1003776 | gouguoa 6.1.2 Remote Code Execution via Unrestricted File Extension Upload third-party-advisory
- https://github.com/Gum29/rrrreeeeeeee-readme/blob/main/images/img/GouguOA-RCE-Standard-Vuln-Report-EN.md exploit