{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-6421", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-04-16T07:31:04.242Z", "datePublished": "2026-04-17T05:45:11.921Z", "dateUpdated": "2026-04-17T05:45:11.921Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-04-17T05:45:11.921Z"}, "title": "Mobatek MobaXterm Home Edition msimg32.dll uncontrolled search path", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-427", "lang": "en", "description": "Uncontrolled Search Path"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-426", "lang": "en", "description": "Untrusted Search Path"}]}], "affected": [{"vendor": "Mobatek", "product": "MobaXterm Home Edition", "versions": [{"version": "26.0", "status": "affected"}, {"version": "26.1", "status": "affected"}, {"version": "26.2", "status": "unaffected"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability has been found in Mobatek MobaXterm Home Edition up to 26.1. This affects an unknown part in the library msimg32.dll. The manipulation leads to uncontrolled search path. An attack has to be approached locally. The attack is considered to have high complexity. It is indicated that the exploitability is difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 26.2 is able to mitigate this issue. It is suggested to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 7.3, "vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P", "baseSeverity": "HIGH"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 7, "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C", "baseSeverity": "HIGH"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 7, "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C", "baseSeverity": "HIGH"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 6, "vectorString": "AV:L/AC:H/Au:S/C:C/I:C/A:C/E:POC/RL:OF/RC:C"}}], "timeline": [{"time": "2026-04-03T00:00:00.000Z", "lang": "en", "value": "Countermeasure disclosed"}, {"time": "2026-04-17T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-04-17T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-04-17T07:35:49.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "haehanse (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/358020", "name": "VDB-358020 | Mobatek MobaXterm Home Edition msimg32.dll uncontrolled search path", "tags": ["vdb-entry"]}, {"url": "https://vuldb.com/vuln/358020/cti", "name": "VDB-358020 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/submit/778851", "name": "Submit #778851 | Mobatek MobaXterm 26.1.0.5456 Uncontrolled Search Path -- DLL hijacking with msimg32.dll", "tags": ["third-party-advisory"]}, {"url": "https://drive.google.com/file/d/17bbNDzfoD3NNPlUMkSYs8bVzVbbwddnU/view", "tags": ["exploit"]}, {"url": "https://mobaxterm.mobatek.net/download-home-edition.html", "tags": ["related"]}, {"url": "https://download.mobatek.net/2622026032581854/MobaXterm_Installer_v26.2.zip", "tags": ["patch"]}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been found in Mobatek MobaXterm Home Edition up to 26.1. This affects an unknown part in the library msimg32.dll. The manipulation leads to uncontrolled search path. An attack has to be approached locally. The attack is considered to have high complexity. It is indicated that the exploitability is difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 26.2 is able to mitigate this issue. It is suggested to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product."}], "id": "CVE-2026-6421", "lastModified": "2026-04-17T06:16:30.367", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "HIGH", "accessVector": "LOCAL", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 6.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:H/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 1.5, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 5.9, "source": "cna@vuldb.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}]}, "published": "2026-04-17T06:16:30.367", "references": [{"source": "cna@vuldb.com", "url": "https://download.mobatek.net/2622026032581854/MobaXterm_Installer_v26.2.zip"}, {"source": "cna@vuldb.com", "url": "https://drive.google.com/file/d/17bbNDzfoD3NNPlUMkSYs8bVzVbbwddnU/view"}, {"source": "cna@vuldb.com", "url": "https://mobaxterm.mobatek.net/download-home-edition.html"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/778851"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/358020"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/358020/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-426"}, {"lang": "en", "value": "CWE-427"}], "source": "cna@vuldb.com", "type": "Primary"}]}

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