CVE-2026-86221 SourceCodester Class and Exam Timetabling System modal_add_course1.php mysqli_query sql injection
Remote attackers can exploit SQL injection in the course argument to read or modify database contents in the Class and Exam Timetabling System.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-86221?
CVE-2026-86221 is a medium-severity SQL injection vulnerability in SourceCodester Class and Exam Timetabling System, published on 6 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A flaw has been found in SourceCodester Class and Exam Timetabling System 1.0. The impacted element is the function mysqli_query of the file /admin/modal_add_course1.php. This manipulation of the argument course causes sql injection. The attack may be initiated remotely. The exploit has been published and may be used.
Which versions are affected by CVE-2026-86221?
How do I fix CVE-2026-86221?
No fix has been published for CVE-2026-86221 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-86221 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-86221 exists.
Sources
Also known as GHSA-6qm6-v4xp-4rqj.