CVE-2026-15559 CodeAstro CVE debrief

Who should care

Users of CodeAstro Simple Online Leave Management System 1.0 should apply patches or mitigations to prevent SQL injection attacks. This vulnerability has a high impact on data integrity and confidentiality. Security teams and vulnerability management teams should review this vulnerability and apply necessary patches or mitigations.

Technical summary

The vulnerability is caused by a lack of proper input validation in the appid argument of the /SimpleOnlineLeave/admin/accept.php file. This allows an attacker to inject malicious SQL code, potentially leading to unauthorized access or data manipulation. The attack vector is remote, and the vulnerability has a CVSS score of 2.1 and a CVSS severity of LOW. Users of CodeAstro Simple Online Leave Management System 1.0 should apply patches or mitigations to prevent SQL injection attacks. This vulnerability has a high impact on data integrity and confidentiality, and security teams should review and apply necessary patches or mitigations.

Defensive priority

Apply patches or updates provided by the vendor to fix the SQL injection vulnerability.

Recommended defensive actions

• Apply patches or updates provided by the vendor to fix the SQL injection vulnerability.
• Implement input validation and sanitization for user-supplied data.
• Use prepared statements with parameterized queries to prevent SQL injection.
• 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 2026-07-13T13:16:30.410Z and has not been modified since then. The NVD entry is currently in the 'Received' status. The vulnerability affects CodeAstro Simple Online Leave Management System 1.0, specifically the file /SimpleOnlineLeave/admin/accept.php. The attack vector is remote, and the vulnerability is caused by a lack of proper input validation in the appid argument.

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.