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EPSS 0.1%top 81%

CVE-2026-27438: Deserialization of Untrusted Data in ThemeREX Kingler

0
Critical
VulnerabilityCVE-2026-27438cvecve-2026-27438
Published: Thu Mar 05 2026 (03/05/2026, 05:54:01 UTC)
Source: CVE Database V5
Vendor/Project: ThemeREX
Product: Kingler

Description

Deserialization of Untrusted Data vulnerability in ThemeREX Kingler kingler allows Object Injection.This issue affects Kingler: from n/a through <= 1.7.

CVSS v3.1

Score 9.8critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 04/29/2026, 10:26:39 UTC

Technical Analysis

This vulnerability in ThemeREX Kingler arises from unsafe deserialization of untrusted data, enabling an attacker to perform object injection attacks. It affects Kingler versions up to 1.7. Exploitation could allow remote attackers to execute arbitrary code or cause denial of service. The CVSS 3.1 base score is 9.8, reflecting critical impact with network attack vector and no privileges or user interaction required. No known exploits in the wild or patch information is currently available.

Potential Impact

Successful exploitation of this vulnerability could lead to complete compromise of the affected system, including unauthorized code execution, data manipulation, and service disruption. The critical CVSS score reflects the potential for severe impact on confidentiality, integrity, and availability.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider disabling or restricting access to the vulnerable component to mitigate risk. Monitor official ThemeREX communications for updates on patches or mitigations.

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Technical Details

Data Version
5.2
Assigner Short Name
Patchstack
Date Reserved
2026-02-19T09:52:39.682Z
Cvss Version
null
State
PUBLISHED

Threat ID: 69a92055d1a09e29cbe69a50

Added to database: 3/5/2026, 6:19:01 AM

Last enriched: 4/29/2026, 10:26:39 AM

Last updated: 6/3/2026, 4:46:09 AM

Views: 95

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