CVE-2026-9528Public exploitNetwork attack vector

Unauthenticated database read and write via judge_id injection

Published May 26, 2026 · Updated May 26, 2026

SQL injection in itsourcecode.com Electronic Judging System 1.0 allows remote attackers to alter database data through judge_id. The /admin/delete_judge.php endpoint passes the judge_id request value to database processing without neutralizing SQL syntax. No authentication or user interaction is required, and injected SQL can read or change database records or interrupt database-backed service.

CVSS severity7.3
High
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in itsourcecode.com Electronic Judging System 1.0 allows remote attackers to alter database data through judge_id. The /admin/delete_judge.php endpoint passes the judge_id request value to database processing without neutralizing SQL syntax. No authentication or user interaction is required, and injected SQL can read or change database records or interrupt database-backed service.

The record

CVE
CVE-2026-9528
Published
May 26, 2026
Updated
May 26, 2026
Vendor
itsourcecode.com
Product
Electronic Judging System
Classifications
CWE-74, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 26, 2026CVE publishedPublication date reported by the CVE source.
  2. May 26, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

itsourcecode.com · Electronic Judging Systemversion=1.0

Published CVSS scores

7.5VulDBAV:N/AC:L/Au:N/C:P/I:P/A:P
5.5VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
7.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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