CVE-2026-5666Public exploitNetwork attack vector

Unauthenticated database disclosure via exposed SQL backup

Published Apr 6, 2026 · Updated Apr 6, 2026

Information disclosure in Code Projects Online FIR System 1.0 allows remote attackers to download complaint data via HTTP. The complaints.sql database dump is stored under the web root, and the server returns it directly without authentication or file-type restrictions. Exposure requires a deployed copy reachable over HTTP and reveals account details, complaint records, administrative data, and the database schema.

CVSS severity5.3
Medium
EPSS probability0.30%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Code Projects Online FIR System 1.0 allows remote attackers to download complaint data via HTTP. The complaints.sql database dump is stored under the web root, and the server returns it directly without authentication or file-type restrictions. Exposure requires a deployed copy reachable over HTTP and reveals account details, complaint records, administrative data, and the database schema.

The record

CVE
CVE-2026-5666
Published
Apr 6, 2026
Updated
Apr 6, 2026
Vendor
Tutorials Website
Product
Online FIR System
Classifications
CWE-922, CWE-200, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 6, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 6, 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?

Tutorials Website · Online FIR Systemversion=1.0

Published CVSS scores

5.3VulDB CNACVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
5.5VulDB CNACVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
5.0VulDB CNAAV:N/AC:L/Au:N/C:P/I:N/A:N

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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-922Insecure Storage of Sensitive Information
CWE-200Exposure of Sensitive Information to an Unauthorized Actor
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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