CVE-2026-2183
Published: 08 February 2026
Summary
CVE-2026-2183 is a medium-severity Improper Access Control (CWE-284) vulnerability in Greatdevelopers Certificate. Its CVSS base score is 6.3 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 2.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Threat & Defense at a Glance
Threat & Defense Details
Likely Mitigating ControlsAI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
This control enforces ownership-based restrictions on portable storage device use, directly implementing access control over media insertion into organizational systems.
Hardware write-protect enforces access control on critical resources (e.g., firmware) independent of software state.
The access control policy and procedures directly mandate and enforce proper access control mechanisms across the organization.
Device lock enforces restricted access until re-authentication, directly reducing unauthorized use of active sessions.
Supervision and review of access control activities directly detects and remediates improper access configurations or usages.
Explicitly identifying and documenting actions permitted without identification or authentication enforces proper access control boundaries by defining justified exceptions.
By automatically labeling outputs with security attributes, the control supports attribute-based enforcement and reduces exploitability of improper access control weaknesses.
Associating and retaining security attributes with data directly supports enforcement of access control decisions across storage, processing, and transmission.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Unrestricted file upload in a public-facing web app directly enables remote exploitation (T1190) to deploy a web shell (T1505.003) and transfer additional tools/payloads (T1105).
NVD Description
A security vulnerability has been detected in Great Developers Certificate Generation System up to 97171bb0e5e22e52eacf4e4fa81773e5f3cffb73. This affects an unknown part of the file /restructured/csv.php. The manipulation leads to unrestricted upload. Remote exploitation of the attack is possible. This product follows…
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a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The code repository of the project has not been active for many years.
Deeper analysisAI
CVE-2026-2183 is an unrestricted file upload vulnerability (CWE-284, CWE-434) in the Great Developers Certificate Generation System up to commit 97171bb0e5e22e52eacf4e4fa81773e5f3cffb73. The issue affects an unknown part of the file /restructured/csv.php. The software follows a rolling release approach for continuous delivery, so no specific version details are available for affected or updated releases, and the project's code repository has not been active for many years.
The vulnerability carries a CVSS v3.1 base score of 6.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L), indicating remote network access with low attack complexity, requiring low privileges but no user interaction, and resulting in low impacts to confidentiality, integrity, and availability. Low-privileged remote attackers can exploit it by manipulating the affected component to perform unrestricted uploads.
Advisories referenced in VULDB entries and a GitHub CVE discovery note provide details on the issue but do not specify patches or mitigations, consistent with the project's inactive repository and lack of versioned releases.
Details
- CWE(s)