Cyber Posture

CVE-2026-0589

HighPublic PoC

Published: 05 January 2026

Published
05 January 2026
Modified
09 January 2026
KEV Added
Patch
CVSS Score 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.0025 48.4th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-0589 is a high-severity Improper Authentication (CWE-287) vulnerability in Fabian Online Product Reservation System. Its CVSS base score is 7.3 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 48.4th 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

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190).
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.

addresses: CWE-287

Detects unauthorized successful logons resulting from improper authentication implementations.

addresses: CWE-287

Documented procedures ensure personnel are trained on authentication mechanisms, tangibly lowering the risk of improper authentication being exploited.

addresses: CWE-287

Security awareness training instructs users on secure authentication practices and avoiding credential compromise.

addresses: CWE-287

Training on authentication mechanisms and best practices decreases the occurrence of improper authentication.

addresses: CWE-287

Non-repudiation requires strong authentication mechanisms to irrefutably attribute performed actions to specific individuals or processes.

addresses: CWE-287

Session content review can reveal authentication bypasses or failures in session establishment.

addresses: CWE-287

Review of authentication-related audit records can detect improper authentication mechanisms or bypasses.

addresses: CWE-287

Assessments check authentication mechanisms for correct implementation and effectiveness, reducing successful authentication bypass attempts.

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Why these techniques?

Direct auth bypass in publicly accessible web admin backend enables exploitation of internet-facing application.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

NVD Description

A vulnerability was found in code-projects Online Product Reservation System 1.0. Impacted is an unknown function of the component Administration Backend. The manipulation results in improper authentication. The attack may be performed from remote. The exploit has been made public…

more

and could be used.

Deeper analysisAI

CVE-2026-0589 is an improper authentication vulnerability (CWE-287) in code-projects Online Product Reservation System 1.0, affecting an unknown function within the Administration Backend component. The issue allows manipulation leading to authentication bypass and was published on 2026-01-05 with a CVSS v3.1 base score of 7.3 (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L), indicating high severity due to its network accessibility and low complexity.

Remote attackers require no privileges or user interaction to exploit this vulnerability, potentially gaining unauthorized access to the administration backend. Successful exploitation could result in limited impacts to confidentiality, integrity, and availability, as reflected in the CVSS metrics, enabling actions such as administrative actions without valid credentials.

Advisories reference a publicly available proof-of-concept exploit on GitHub detailing authentication bypass for the admin panel, hosted at https://github.com/foeCat/CVE/blob/main/OnlineProductReservation_PHP/auth_bypass_admin_panel.md and its POC section. Additional details are available via VulDB (https://vuldb.com/?ctiid.339499 and https://vuldb.com/?id.339499) and the project site (https://code-projects.org/), though no specific patches or mitigations are detailed in the provided information.

Details

CWE(s)

Affected Products

fabian
online product reservation system
1.0

CVEs Like This One

CVE-2026-0591Same product: Fabian Online Product Reservation System
CVE-2026-0592Same product: Fabian Online Product Reservation System
CVE-2026-0579Same product: Fabian Online Product Reservation System
CVE-2026-0575Same product: Fabian Online Product Reservation System
CVE-2026-0584Same product: Fabian Online Product Reservation System
CVE-2026-0578Same product: Fabian Online Product Reservation System
CVE-2026-0590Same product: Fabian Online Product Reservation System
CVE-2026-0585Same product: Fabian Online Product Reservation System
CVE-2026-0576Same product: Fabian Online Product Reservation System
CVE-2026-0583Same product: Fabian Online Product Reservation System

References