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PatchSiren cyber security CVE debrief

CVE-2026-16227 SourceCodester CVE debrief

A security vulnerability has been detected in SourceCodester Class and Exam Timetabling System 1.0. This impacts an unknown function of the file /edit_subject.php. Such manipulation of the argument ID leads to sql injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. Users of SourceCodester Class and Exam Timetabling System 1.0 should apply vendor remediation when available.

Vendor
SourceCodester
Product
Class and Exam Timetabling System
CVSS
MEDIUM 5.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-19
Original CVE updated
2026-07-22
Advisory published
2026-07-19
Advisory updated
2026-07-22

Who should care

Users of SourceCodester Class and Exam Timetabling System 1.0 should apply vendor remediation when available. This vulnerability may impact database confidentiality, integrity, and availability if exploited.

Technical summary

CVE-2026-16227 is a sql injection vulnerability in SourceCodester Class and Exam Timetabling System 1.0. The vulnerability is in the file /edit_subject.php and can be exploited remotely, potentially impacting database confidentiality, integrity, and availability. Users of SourceCodester Class and Exam Timetabling System 1.0 should verify their deployments and apply vendor remediation when available, monitoring for exploitation attempts and reviewing compensating controls. Evidence from the CVE record and NVD entry supports this assessment, with the vulnerability being publicly disclosed. Remediation efforts should prioritize database protection and system updates.

Defensive priority

Apply vendor remediation when available. Monitor for exploitation attempts and review compensating controls.

Recommended defensive actions

  • Inventory affected systems
  • Apply vendor remediation when available
  • Monitor for exploitation attempts
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • 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
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-07-19T10:16:31.380Z and has not been modified since then. The NVD entry is currently Received. The vulnerability is in the file /edit_subject.php and can be exploited remotely, potentially impacting database confidentiality, integrity, and availability. Users should verify their deployments and apply vendor remediation when available.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-16227 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-16227

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-16227 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-16227

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental 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.