Is CVE-2026-16227 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-16227 being exploited in the wild.

How severe is CVE-2026-16227?

High severity, with a CVSS score of 7.3, published 19 July 2026.

Is there a fix for CVE-2026-16227?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-16227 attacked?

It is attacked over the network, in a network appliance.

Am I affected by CVE-2026-16227?

Check whether you run SourceCodester Class and Exam Timetabling System at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-16227: SourceCodester Class and Exam Timetabling System SQL injection in edit_subject.php

CVE-2026-16227 · Severity: high · CVSS 7.3 · Published 2026-07-19

A security vulnerability exists in the SourceCodester Class and Exam Timetabling System, a web application used for managing academic schedules. An attacker can exploit this flaw to gain unauthorized access to the underlying database without needing a username or password. This could lead to the theft of sensitive school data, unauthorized modification of exam schedules, or a complete disruption of the system's operations.

Technologies: SourceCodester Class and Exam Timetabling System. Vendors: SourceCodester.

Quick answers

Is CVE-2026-16227 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-16227 being exploited in the wild.
How severe is CVE-2026-16227?: High severity, with a CVSS score of 7.3, published 19 July 2026.
Which products and versions are affected?: SourceCodester Class and Exam Timetabling System 1.0.
Is there a fix for CVE-2026-16227?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-16227 attacked?: It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-16227?: Check whether you run SourceCodester Class and Exam Timetabling System at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A SQL injection vulnerability exists in SourceCodester Class and Exam Timetabling System 1.0 within the '/edit_subject.php' file. The root cause is the improper neutralization of the 'id' GET parameter before it is used in a database query. A remote, unauthenticated attacker can provide malicious SQL payloads (including boolean-based blind, error-based, and UNION-based techniques) to manipulate queries. Successful exploitation allows for unauthorized database access, data exfiltration, and potential administrative takeover. No authentication or user interaction is required to trigger the vulnerability. As of the advisory date, no official patch has been confirmed, and users are advised to implement prepared statements and input validation manually.

Affected products

SourceCodester Class and Exam Timetabling System 1.0

Timeline

2026-06-14: disclosed: Initial vulnerability discovery and PoC shared on GitHub
2026-07-19: advisory: NVD and VulDB publish advisory details

References

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