CVE-2026-4014: A security flaw has been discovered in itsourcecode Cafe Reservation System 1.0

This week

HIGH 7.3REMOTEDOWNGRADE

CVE-2026-4014 is a high-severity flaw (CVSS 7.3) affecting cafe reservation system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A security flaw has been discovered in itsourcecode Cafe Reservation System 1.0. This impacts an unknown function of the file /curvus2/signup.php of the component Registration. Performing a manipulation of the argument Username results in sql injection. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.

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	0.4% (top 68%)
CISA exploited list	No
Weakness	CWE-74, CWE-89
Published	2026-03-12
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: luffypirates

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-12 08:16 UTCPublished CVE record published
2026-06-17 10:55 UTCUpdated Record last modified

luffypirates cafe 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 cafe-reservation-system || rpm -q cafe-reservation-system || cafe-reservation-system --version

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

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

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

dnf --showduplicates list cafe-reservation-system sudo dnf downgrade cafe-reservation-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add cafe-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-2026-4014?

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

Is CVE-2026-4014 being exploited?

CVE-2026-4014 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-2026-4014 affect?

CVE-2026-4014 affects cafe reservation system. Severity is high (CVSS 7.3). A security flaw has been discovered in itsourcecode Cafe Reservation System 1.0. This impacts an unknown function of the file /curvus2/signup.php of the component Registration. Performing a manipulation of the argument Username results in s

How urgent is CVE-2026-4014?

Priority 44/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

References

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