How severe is CVE-2026-5555?

CVE-2026-5555 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-2026-5555 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-5555?

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-2026-5555 have an EU (EUVD) identifier?

Yes. CVE-2026-5555 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19058.

When was CVE-2026-5555 published?

CVE-2026-5555 was published on 2026-04-05 and last updated on 2026-06-17.

CVE-2026-5555

CVE-2026-5555 is a high-severity vulnerability 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-74.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 5.5
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19058
Weakness: CWE-74
Published: 2026-04-05
Last modified: 2026-06-17

Description

A weakness has been identified in code-projects Concert Ticket Reservation System 1.0. This affects an unknown part of the file /ConcertTicketReservationSystem-master/login.php of the component Parameter Handler. Executing a manipulation of the argument Email can lead to sql injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.

Frequently asked questions

What is CVE-2026-5555?: A weakness has been identified in code-projects Concert Ticket Reservation System 1.0. This affects an unknown part of the file /ConcertTicketReservationSystem-master/login.php of the component Parameter Handler. Executing a manipulation of the argument Email can lead to sql injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks.
How severe is CVE-2026-5555?: CVE-2026-5555 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-2026-5555 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-5555?: 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-2026-5555 have an EU (EUVD) identifier?: Yes. CVE-2026-5555 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19058.
When was CVE-2026-5555 published?: CVE-2026-5555 was published on 2026-04-05 and last updated on 2026-06-17.

References

Other CWE-74 (Improper Neutralization of Special Elements (Injection)) vulnerabilities

CVE-2026-25586 — Critical (CVSS 10.0): SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, a sandbox escape is possible by shadowing hasOwnProperty…
CVE-2026-25520 — Critical (CVSS 10.0): SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, The return values of functions aren't wrapped.…
CVE-2025-20265 — Critical (CVSS 10.0): A vulnerability in the RADIUS subsystem implementation of Cisco Secure Firewall Management Center (FMC) Software could…
CVE-2025-20337 — Critical (CVSS 10.0): A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
CVE-2025-20281 — Critical (CVSS 10.0): A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
CVE-2024-42472 — Critical (CVSS 10.0): Flatpak is a Linux application sandboxing and distribution framework. Prior to versions 1.14.0 and 1.15.10, a malicious…

Browse all CWE-74 (Improper Neutralization of Special Elements (Injection)) vulnerabilities →