Mobatek MobaXterm Personal Edition up to 26.3 DLL uncontrolled search path

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Mobatek MobaXterm Personal Edition up to 26.3. This vulnerability affects unknown code of the component DLL Handler. Executing a manipulation can lead to uncontrolled search path. This vulnerability is tracked as CVE-2026-11879. The attack is restricted to local execution. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Mobatek MobaXterm Personal Edition up to 26.3. It has been declared as critical. This vulnerability affects some unknown functionality of the component DLL Handler. The manipulation with an unknown input leads to a uncontrolled search path vulnerability. The CWE definition for the vulnerability is CWE-427. The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

MobaXterm Personal Edition (Portable), in its 26.3 version (Build 5154), allows arbitrary code execution by loading malicious DLLs from a temporary directory that is predictable and can be modified by the user. During startup, the application searches for specific DLLs in this location before resorting to the system’s secure paths, enabling an attacker with local access to place a specially crafted DLL to be executed automatically when the victim launches the application.

The advisory is available at incibe.es. This vulnerability was named CVE-2026-11879 since 06/10/2026. The exploitation appears to be difficult. Local access is required to approach this attack. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1574 by the MITRE ATT&CK project.

Upgrading to version 26.4 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.0
VulDB Temp Score: 6.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Uncontrolled search path
CWE: CWE-427 / CWE-426
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: MobaXterm Personal Edition 26.4

Timelineinfo

06/10/2026 CVE reserved
06/12/2026 +2 days Advisory disclosed
06/12/2026 +0 days VulDB entry created
06/12/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: incibe.es
Status: Confirmed

CVE: CVE-2026-11879 (🔒)
GCVE (CVE): GCVE-0-2026-11879
GCVE (VulDB): GCVE-100-370582

Entryinfo

Created: 06/12/2026 15:52
Changes: 06/12/2026 15:52 (68)
Complete: 🔍
Cache ID: 216::103

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