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PatchSiren cyber security CVE debrief

CVE-2026-9383 itsourcecode CVE debrief

A SQL injection vulnerability exists in the itsourcecode Electronic Judging System 1.0, specifically within the /intrams/admin/login.php endpoint. The Username parameter is susceptible to injection, enabling remote attackers to manipulate database queries. The vulnerability has been publicly disclosed with exploit availability confirmed, though no known ransomware campaign use has been identified. The CVSS 4.0 vector indicates network attack vector with low complexity, no privileges required, and low impacts across confidentiality, integrity, and availability dimensions. The vulnerability status is currently Deferred in the NVD.

Vendor
itsourcecode
Product
Electronic Judging System
CVSS
MEDIUM 5.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-24
Original CVE updated
2026-07-23
Advisory published
2026-05-24
Advisory updated
2026-07-23

Who should care

Organizations operating itsourcecode Electronic Judging System 1.0; security teams managing PHP-based judging or competition platforms; administrators of systems utilizing this specific software package

Technical summary

The itsourcecode Electronic Judging System 1.0 contains a SQL injection vulnerability in the administrative login component. The /intrams/admin/login.php file fails to properly sanitize user-supplied input in the Username parameter, allowing attackers to inject malicious SQL statements. This can be exploited remotely without authentication, potentially enabling unauthorized database access, authentication bypass, or data manipulation. The vulnerability is classified under CWE-89 (SQL Injection) and CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component).

Defensive priority

medium

Recommended defensive actions

  • Review and restrict network access to /intrams/admin/login.php endpoint
  • Implement parameterized queries or prepared statements for Username field
  • Apply input validation and sanitization on authentication parameters
  • Monitor for suspicious authentication attempts targeting admin login
  • Contact itsourcecode for official patch availability
  • Consider web application firewall rules to detect SQL injection patterns

Evidence notes

Vulnerability disclosed via GitHub issue and VulDB submission. Vendor identification remains uncertain with low confidence classification.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-9383 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-9383

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

  • CVE-2026-9383 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-9383

    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.