Arbitrary file upload in Gouguoa
CVE-2026-116113
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Gouguoa — versions 6.1.0, 6.1.1, 6.1.2
Weakness classification (CWE)
References
- vuldb.com/vuln/426181 (technical-description, vdb-entry)
- vuldb.com/vuln/426181/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-116113 (third-party-advisory)
- vuldb.com/submit/1003776 (third-party-advisory)
- github.com/Gum29/rrrreeeeeeee-readme/blob/main/images/img/GouguOA-RCE-Standard-… (exploit)
Frequently asked questions
- What is CVE-2026-116113?
- CVE-2026-116113 is a medium-severity vulnerability in Gouguoa, classified under Improper Access Control. CVSS score: 6.3/10. Published 2026-10-26.
- How severe is CVE-2026-116113?
- Medium severity. CVSS v3 base score is 6.3 out of 10.