CVE-2026-116113

GouGuOA Api.php chunkUpload unrestricted upload

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

GouGuOA

CVSS v4.0 VULDB

2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 VULDB

6.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0 VULDB

6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

EPSS

0.20% chance of exploitation in the next 30 days, 10th percentile

Published

2026-10-26

Proof-of-concept exploits (1)

• Gum29/rrrreeeeeeee-readme/blob/main/images/img/GouguOA-RCE-Standard-Vuln-Report-EN.mdRepo stars 0★ · pushed 2026-10-26 · find archive
  1 file

  images/img/GouguOA-RCE-Standard-Vuln-Report-EN.md

CVE references

• https://vuldb.com/cve/CVE-2026-116113REFERENCE
• https://vuldb.com/submit/1003776REFERENCE
• https://vuldb.com/vuln/426181REFERENCE
• https://vuldb.com/vuln/426181/ctiREFERENCE

References

• CVE Record
• NVD entry