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CVE-2026-116113— GouGuOA Api.php chunkUpload unrestricted upload

Quick assessment

Affected
n/a GouGuOA
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 GouGuOA 6.1.2 及更早版本中发现了一个安全漏洞。受影响的组件是文件 中的 函数。通过操纵参数 ，攻击者可绕过文件类型限制，实现任意文件上传。该漏洞可被远程利用，且相关利用代码已向公众公开，可能被用于实际攻击。厂商虽已提前收到此漏洞披露通知，但至今未作出任何回应。

CVSS 6.3 · Medium
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I. Basic Information for CVE-2026-116113

Vulnerability Information
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Vulnerability Title
GouGuOA Api.php chunkUpload unrestricted upload
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
- GouGuOA 6.1.0 cpe:2.3:a:gouguoa:gouguoa:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-116113

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-116113

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Other References for CVE-2026-116113 (4)

Same Patch Batch · n/a · 2026-10-26 · 9 CVEs total

CVE-2026-116106 7.3 HIGH HeyCyan App FileProvider access control
CVE-2026-116120 5.6 MEDIUM NocoDB PublicApiLimiterGuard signup UserRefreshToken.deleteAllUserToken allocation of reso
CVE-2026-116119 5.5 MEDIUM NocoDB Password-Reset Flow users.service.ts race condition
CVE-2026-116123 3.7 LOW NocoDB signup validatePassword excessive authentication
CVE-2026-116122 3.7 LOW NocoDB Sign-in Endpoint AuthService.validateUser information disclosure
CVE-2026-116121 3.7 LOW NocoDB Registration users.service.ts race condition
CVE-2026-116105 3.7 LOW HeyCyan App Network Security Configuration AndroidManifest.xml cleartext transmission
CVE-2026-116100 2.4 LOW gougucms User Level Level.php add cross site scripting

IV. Related Vulnerabilities

Same product: GouGuOA
Same vendor: n/a
Same weakness: CWE-434