CVE-2026-0577
Published: 04 January 2026
Summary
CVE-2026-0577 is a medium-severity Improper Access Control (CWE-284) vulnerability in Fabian Online Product Reservation System. Its CVSS base score is 6.3 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Web Shell (T1100); ranked at the 25.1th 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 (CWE-434) directly enables deployment of web shells on the affected web application server.
NVD Description
A flaw has been found in code-projects Online Product Reservation System 1.0. Affected by this vulnerability is an unknown functionality of the file /handgunner-administrator/prod.php. Executing a manipulation can lead to unrestricted upload. It is possible to launch the attack remotely.…
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The exploit has been published and may be used.
Deeper analysisAI
CVE-2026-0577 is an unrestricted file upload vulnerability in the code-projects Online Product Reservation System 1.0. The flaw affects an unknown functionality within the file /handgunner-administrator/prod.php, allowing attackers to execute manipulations that bypass upload restrictions. This issue, associated with CWE-284 (Improper Access Control) and CWE-434 (Unrestricted Upload of File with Dangerous Type), 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) and was published on 2026-01-04.
The vulnerability can be exploited remotely by an authenticated attacker with low privileges (PR:L), requiring no user interaction. Successful exploitation enables limited impacts on confidentiality, integrity, and availability, potentially allowing attackers to upload malicious files that could lead to further compromise depending on server configuration and file handling.
Advisories and references, including entries on VulDB (ctiid.339461 and id.339461), a GitHub repository with proof-of-concept exploit code, and the vendor site at code-projects.org, confirm the issue but do not detail specific patches or mitigations. Security practitioners should review these sources for updates and consider restricting access to the affected endpoint or upgrading the software if patches become available.
An exploit has been publicly disclosed, increasing the risk of real-world attacks against exposed instances of this system.
Details
- CWE(s)