CVE-2026-0589: A vulnerability was found in code-projects Online Product Reservation System 1.0

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HIGH 7.3REMOTEDOWNGRADE

CVE-2026-0589 is a high-severity flaw (CVSS 7.3) affecting online product reservation system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-287
Published	2026-01-05
Last modified	2026-10-26

Publisher (CNA): VulDB · Vendor: fabian

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-05 13:15 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

fabian online product reservation system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy online-product-reservation-system || rpm -q online-product-reservation-system || online-product-reservation-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison online-product-reservation-system sudo apt install online-product-reservation-system=<VERSION_BEFORE_1.0> sudo apt-mark hold online-product-reservation-system

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list online-product-reservation-system sudo dnf downgrade online-product-reservation-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add online-product-reservation-system

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-0589?

online product reservation system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-0589 being exploited?

CVE-2026-0589 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-0589 affect?

CVE-2026-0589 affects online product reservation system. Severity is high (CVSS 7.3). 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

How urgent is CVE-2026-0589?

Priority 47/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-0578 HIGH 7.3 DOWNGRADE A vulnerability has been found in code-projects Online Product Reservation System 1.0
CVE-2026-0585 HIGH 7.3 DOWNGRADE A security vulnerability has been detected in code-projects Online Product Reservation System 1.0
CVE-2026-0592 HIGH 7.3 DOWNGRADE A security flaw has been discovered in code-projects Online Product Reservation System 1.0
CVE-2026-0590 MEDIUM 6.3 DOWNGRADE A vulnerability was determined in code-projects Online Product Reservation System 1.0
CVE-2026-0591 MEDIUM 6.3 DOWNGRADE A vulnerability was identified in code-projects Online Product Reservation System 1.0

References

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