HOMEVULNERABILITIESCVE-2026-5666
MEDIUM

CVE-2026-5666

CWE-200Published: April 6, 2026· Updated: Apr 7, 2026

5.3
CVSS v3.1
EPSS:0.03%probability of exploitation in 30 daysPercentile:8.8th

Official Description

A vulnerability was detected in code-projects Online FIR System 1.0. Affected by this issue is some unknown functionality of the file /complaints.sql of the component SQL Database Backup File Handler. The manipulation results in insecure storage of sensitive information. The attack may be performed from remote. The exploit is now public and may be used.

NVD Source

Technical Analysis

CVE-2026-5666 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

All References (5)

→
https://code-projects.org/
→
https://github.com/ahmadmarz10-hub/CVEsMarz/blob/main/Sensitive%20Information%20Disclosure%20in%20Online%20FIR%20System%20PHP%20Exposed%20Database%20Backup.md
→
https://vuldb.com/submit/786322
→
https://vuldb.com/vuln/355489
→
https://vuldb.com/vuln/355489/cti

Quick Facts

CVE IDCVE-2026-5666
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-200
CISA KEVNo
EPSS (30d)0.03%
PublishedApr 6, 2026

Related CVEs (CWE-200)

CVE-2026-27604
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CVE-2026-40965
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CVE-2026-54305
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CVE-2026-21515
9.9
CVE-2026-41492
9.8
CVE-2026-26273
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-5666 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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