CVE-2026-0392

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On each launch the application fetches an\nupdate descriptor (XML) over TLS but accepts any TLS certificate (a permissive\nTrustManager and a HostnameVerifier that always returns true), does not verify\nany digital signature on the update descriptor, and does not verify the\nAuthenticode signature or a checksum of the downloaded installer before running\nit. A man-in-the-middle attacker able to redirect www.eparaksts.lv can serve a\ncrafted update descriptor pointing to an attacker-controlled executable, which\nthe client downloads and executes, resulting in arbitrary code execution on the\nvictim host.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p><span>eParakst\u012bt\u0101js 3.0 for Windows before version\n1.10.0 retrieves and executes its automatic updates over a channel that is not\nauthenticated or integrity-protected. On each launch the application fetches an\nupdate descriptor (XML) over TLS but accepts any TLS certificate (a permissive\nTrustManager and a HostnameVerifier that always returns true), does not verify\nany digital signature on the update descriptor, and does not verify the\nAuthenticode signature or a checksum of the downloaded installer before running\nit. A man-in-the-middle attacker able to redirect www.eparaksts.lv can serve a\ncrafted update descriptor pointing to an attacker-controlled executable, which\nthe client downloads and executes, resulting in arbitrary code execution on the\nvictim host.</span></p>"}]}], "references": [{"url": "https://www.eparaksts.lv/lv/par_mums/Jaunumi/Jauna_eParakstitajs_30_versija_1100", "tags": ["vendor-advisory", "release-notes"]}, {"url": "https://cvd.cert.lv/inbox/view/vuln-all-1689187061", "tags": ["government-resource", "third-party-advisory", "permissions-required"]}, {"url": "https://offseq.com/en/research/eparakstitajs-cve-2026-0392/", "tags": ["technical-description", "third-party-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 7.3, "vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "workarounds": [{"lang": "en", "value": "Until updated, disable\nautomatic updates and install new versions only from the official signed\npackage obtained over a trusted network, verifying the Authenticode signature\nmanually.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<span>Until updated, disable\nautomatic updates and install new versions only from the official signed\npackage obtained over a trusted network, verifying the Authenticode signature\nmanually.</span>"}]}], "solutions": [{"lang": "en", "value": "Update eParakst\u012bt\u0101js 3.0 to\nversion 1.10.0 or later, in which the update channel is authenticated and the\ndownloaded installer is signature-verified.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<span>Update eParakst\u012bt\u0101js 3.0 to\nversion 1.10.0 or later, in which the update channel is authenticated and the\ndownloaded installer is signature-verified.</span>"}]}], "credits": [{"lang": "en", "value": "Nils Putni\u0146\u0161, OffSeq (SIA SEQ)", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.4"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-03T10:35:21.949793Z", "id": "CVE-2026-0392", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-03T10:41:43.673Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-0392", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-08-03T10:35:21.949793Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-03T10:41:36.927Z"}}], "cna": {"title": "eParakst\u012bt\u0101js 3.0 for Windows \u2013 remote code execution via unauthenticated auto-update", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Nils Putni\u0146\u0161, OffSeq (SIA SEQ)"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.3, "Automatable": "NOT_DEFINED", "attackVector": "ADJACENT", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "ACTIVE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Latvijas Valsts radio un telev\u012bzijas centrs (LVRTC)", "product": "eParakst\u012bt\u0101js 3.0", "versions": [{"status": "affected", "version": "0", "lessThan": "1.10.0", "versionType": "semver"}], "platforms": ["Windows"], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Update eParakst\u012bt\u0101js 3.0 to\nversion 1.10.0 or later, in which the update channel is authenticated and the\ndownloaded installer is signature-verified.", "supportingMedia": [{"type": "text/html", "value": "<span>Update eParakst\u012bt\u0101js 3.0 to\nversion 1.10.0 or later, in which the update channel is authenticated and the\ndownloaded installer is signature-verified.</span>", "base64": false}]}], "references": [{"url": "https://www.eparaksts.lv/lv/par_mums/Jaunumi/Jauna_eParakstitajs_30_versija_1100", "tags": ["vendor-advisory", "release-notes"]}, {"url": "https://cvd.cert.lv/inbox/view/vuln-all-1689187061", "tags": ["government-resource", "third-party-advisory", "permissions-required"]}, {"url": "https://offseq.com/en/research/eparakstitajs-cve-2026-0392/", "tags": ["technical-description", "third-party-advisory"]}], "workarounds": [{"lang": "en", "value": "Until updated, disable\nautomatic updates and install new versions only from the official signed\npackage obtained over a trusted network, verifying the Authenticode signature\nmanually.", "supportingMedia": [{"type": "text/html", "value": "<span>Until updated, disable\nautomatic updates and install new versions only from the official signed\npackage obtained over a trusted network, verifying the Authenticode signature\nmanually.</span>", "base64": false}]}], "x_generator": {"engine": "Vulnogram 1.0.4"}, "descriptions": [{"lang": "en", "value": "eParakst\u012bt\u0101js 3.0 for Windows before version\n1.10.0 retrieves and executes its automatic updates over a channel that is not\nauthenticated or integrity-protected. On each launch the application fetches an\nupdate descriptor (XML) over TLS but accepts any TLS certificate (a permissive\nTrustManager and a HostnameVerifier that always returns true), does not verify\nany digital signature on the update descriptor, and does not verify the\nAuthenticode signature or a checksum of the downloaded installer before running\nit. A man-in-the-middle attacker able to redirect www.eparaksts.lv can serve a\ncrafted update descriptor pointing to an attacker-controlled executable, which\nthe client downloads and executes, resulting in arbitrary code execution on the\nvictim host.", "supportingMedia": [{"type": "text/html", "value": "<p><span>eParakst\u012bt\u0101js 3.0 for Windows before version\n1.10.0 retrieves and executes its automatic updates over a channel that is not\nauthenticated or integrity-protected. On each launch the application fetches an\nupdate descriptor (XML) over TLS but accepts any TLS certificate (a permissive\nTrustManager and a HostnameVerifier that always returns true), does not verify\nany digital signature on the update descriptor, and does not verify the\nAuthenticode signature or a checksum of the downloaded installer before running\nit. A man-in-the-middle attacker able to redirect www.eparaksts.lv can serve a\ncrafted update descriptor pointing to an attacker-controlled executable, which\nthe client downloads and executes, resulting in arbitrary code execution on the\nvictim host.</span></p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-494", "description": "CWE-494 Download of code without integrity check"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-295", "description": "CWE-295 Improper certificate validation"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-347", "description": "CWE-347 Improper verification of cryptographic signature"}]}], "providerMetadata": {"orgId": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "shortName": "ENISA", "dateUpdated": "2026-08-05T09:29:36.104Z"}}}, "cveMetadata": {"cveId": "CVE-2026-0392", "state": "PUBLISHED", "dateUpdated": "2026-08-05T09:29:36.104Z", "dateReserved": "2025-11-27T11:36:47.937Z", "assignerOrgId": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "datePublished": "2026-08-03T09:56:31.363Z", "assignerShortName": "ENISA"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["Windows"], "product": "eParakst\u012bt\u0101js 3.0", "vendor": "Latvijas Valsts radio un telev\u012bzijas centrs (LVRTC)", "versions": [{"lessThan": "1.10.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "eParakst\u012bt\u0101js 3.0 for Windows before version\n1.10.0 retrieves and executes its automatic updates over a channel that is not\nauthenticated or integrity-protected. On each launch the application fetches an\nupdate descriptor (XML) over TLS but accepts any TLS certificate (a permissive\nTrustManager and a HostnameVerifier that always returns true), does not verify\nany digital signature on the update descriptor, and does not verify the\nAuthenticode signature or a checksum of the downloaded installer before running\nit. A man-in-the-middle attacker able to redirect www.eparaksts.lv can serve a\ncrafted update descriptor pointing to an attacker-controlled executable, which\nthe client downloads and executes, resulting in arbitrary code execution on the\nvictim host."}, {"lang": "es", "value": "eParakst?t?js 3.0 para Windows anterior a la versi\u00f3n 1.10.0 recupera y ejecuta sus actualizaciones autom\u00e1ticas a trav\u00e9s de un canal que no est\u00e1 autenticado ni protegido en cuanto a integridad. En cada inicio, la aplicaci\u00f3n obtiene un descriptor de actualizaci\u00f3n (XML) a trav\u00e9s de TLS, pero acepta cualquier certificado TLS (un TrustManager permisivo y un HostnameVerifier que siempre devuelve verdadero), no verifica ninguna firma digital en el descriptor de actualizaci\u00f3n y no verifica la firma Authenticode ni una suma de comprobaci\u00f3n del instalador descargado antes de ejecutarlo. Un atacante man-in-the-middle capaz de redirigir www.eparaksts.lv puede servir un descriptor de actualizaci\u00f3n manipulado que apunta a un ejecutable controlado por el atacante, que el cliente descarga y ejecuta, lo que resulta en ejecuci\u00f3n de c\u00f3digo arbitrario en el host v\u00edctima."}], "id": "CVE-2026-0392", "lastModified": "2026-10-23T22:10:00.160", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "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": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-0392", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-03T10:35:21.949793Z", "version": "2.0.3"}}]}, "published": "2026-08-03T10:16:27.747", "references": [{"source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "url": "https://cvd.cert.lv/inbox/view/vuln-all-1689187061"}, {"source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "url": "https://offseq.com/en/research/eparakstitajs-cve-2026-0392/"}, {"source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "url": "https://www.eparaksts.lv/lv/par_mums/Jaunumi/Jauna_eParakstitajs_30_versija_1100"}], "sourceIdentifier": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}, {"lang": "en", "value": "CWE-347"}, {"lang": "en", "value": "CWE-494"}], "source": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": ["windows"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.10.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "eParakst\u012bt\u0101js 3.0", "source": "cna", "vendor": "Latvijas Valsts radio un telev\u012bzijas centrs (LVRTC)"}, "product": "eparakst\u012bt\u0101js_3.0", "vendor": "latvijas_valsts_radio_un_telev\u012bzijas_centrs_(lvrtc)"}], "created": "2026-08-03T15:51:40.984719+00:00", "updated": "2026-08-04T10:30:07.272177+00:00", "vendors": ["latvijas_valsts_radio_un_telev\u012bzijas_centrs_(lvrtc)", "latvijas_valsts_radio_un_telev\u012bzijas_centrs_(lvrtc)$PRODUCT$eparakst\u012bt\u0101js_3.0"]}