CVE-2026-86223 SourceCodester CVE debrief

Who should care

Defenders responsible for the SourceCodester Class and Exam Timetabling System 1.0 should assess exposure and prioritize verification and potential remediation. Defenders should prioritize verifying the presence of this vulnerability in their inventory and assessing exposure, as remote exploitation is possible.

Why it matters

CVE-2026-86223 is a SQL injection vulnerability in SourceCodester Class and Exam Timetabling System 1.0, allowing remote exploitation. Defenders should verify exposure, assess potential impact, and prioritize remediation.

• Remote exploitation is possible, requiring defenders to verify exposure and assess potential impact
• The exploit has been made public, increasing the likelihood of exploitation attempts
• Defenders should prioritize verifying the presence of this vulnerability in their inventory

Technical summary

The vulnerability is located in the /admin/modal_add_coursea.php file and affects the mysqli_query function. An attacker can manipulate the course argument to inject malicious SQL code. This impacts the function mysqli_query of the file /admin/modal_add_coursea.php. Performing a manipulation of the argument course results in sql injection. Remote exploitation of the attack is possible. The exploit has been made public and could be used.

Defensive priority

Defenders should prioritize verifying the presence of this vulnerability in their inventory and assessing exposure, as remote exploitation is possible.

Recommended defensive actions

• Verify the presence of this vulnerability in your inventory
• Assess exposure to remote exploitation
• Consider compensating controls or monitoring for potential exploitation attempts
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its description, CVSS score, and references. Defenders should verify the presence of this vulnerability in their inventory and assess exposure, as remote exploitation is possible. The exploit has been made public, increasing the likelihood of exploitation attempts. The vulnerability is located in the /admin/modal_add_coursea.php file and affects the mysqli_query function. An attacker can manipulate the course argument to inject malicious SQL code.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.