HOMEVULNERABILITIESCVE-2026-4320
CRITICAL

CVE-2026-4320

CWE-288Published: May 18, 2026· Updated: May 18, 2026

9.3
CVSS v3.1
EPSS:0.05%probability of exploitation in 30 daysPercentile:15.1th

Official Description

Authorization Bypass vulnerability in Creartia's ICMS software could allow an attacker to gain unauthorized access to protected features by manipulating the HTTP redirect headers of the login process, causing the script to continue running and enabling privilege escalation without the need for credentials.

NVD Source

Risk Analysis

This critical authorization bypass vulnerability in Creartia's ICMS software allows an attacker to gain unauthorized access to protected features. By manipulating HTTP redirect headers during the login process, an attacker can achieve privilege escalation without credentials. With a CVSS score of 9.3, this is a serious concern.

No public exploit is currently known for this vulnerability. The flaw is remotely exploitable and requires no authentication.

Recommended Action

Implement robust validation of HTTP redirect headers and ensure that authentication checks are strictly enforced throughout the login process. Apply any available patches or updates from Creartia for their ICMS software.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2026-4320 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.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeX
Impact
Confidentiality
Integrity
Availability
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
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All References (1)

Quick Facts

CVE IDCVE-2026-4320
CVSS Score9.3 / 10
SeverityCRITICAL
WeaknessCWE-288
CISA KEVNo
EPSS (30d)0.05%
PublishedMay 18, 2026

Related CVEs (CWE-288)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-4320 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.