How severe is CVE-2026-0589?

CVE-2026-0589 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-0589 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-0589?

CVE-2026-0589 affects Fabian Online Product Reservation System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-0589?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-0589 have an EU (EUVD) identifier?

Yes. CVE-2026-0589 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-0856.

When was CVE-2026-0589 published?

CVE-2026-0589 was published on 2026-01-05 and last updated on 2026-06-17.

CVE-2026-0589

CVE-2026-0589 is a high-severity vulnerability in Fabian Online Product Reservation System with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 5.5
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-0856
Weakness: CWE-287
Affected product: Fabian Online Product Reservation System
Published: 2026-01-05
Last modified: 2026-06-17

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 and could be used.

Frequently asked questions

What is CVE-2026-0589?: 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 and could be used.
How severe is CVE-2026-0589?: CVE-2026-0589 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-0589 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-0589?: CVE-2026-0589 affects Fabian Online Product Reservation System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-0589?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-0589 have an EU (EUVD) identifier?: Yes. CVE-2026-0589 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-0856.
When was CVE-2026-0589 published?: CVE-2026-0589 was published on 2026-01-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:fabian:online_product_reservation_system:1.0:*:*:*:*:*:*:*

More vulnerabilities in Fabian Online Product Reservation System

CVE-2026-0592 — High (CVSS 7.3): A security flaw has been discovered in code-projects Online Product Reservation System 1.0. This affects an unknown…
CVE-2026-0585 — High (CVSS 7.3): A security vulnerability has been detected in code-projects Online Product Reservation System 1.0. Impacted is an…
CVE-2026-0583 — High (CVSS 7.3): A security flaw has been discovered in code-projects Online Product Reservation System 1.0. This vulnerability affects…
CVE-2026-0579 — High (CVSS 7.3): A vulnerability was found in code-projects Online Product Reservation System 1.0. This affects an unknown part of the…
CVE-2026-0578 — High (CVSS 7.3): A vulnerability has been found in code-projects Online Product Reservation System 1.0. Affected by this issue is some…
CVE-2026-0576 — High (CVSS 7.3): A vulnerability was detected in code-projects Online Product Reservation System 1.0. Affected is an unknown function of…

All CVEs affecting Fabian Online Product Reservation System →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →