{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-0392", "assignerOrgId": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "state": "PUBLISHED", "assignerShortName": "ENISA", "dateReserved": "2025-11-27T11:36:47.937Z", "datePublished": "2026-08-03T09:56:31.363Z", "dateUpdated": "2026-08-03T10:41:43.673Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158", "shortName": "ENISA", "dateUpdated": "2026-08-03T09:56:31.363Z"}, "title": "eParakst\u012bt\u0101js 3.0 for Windows \u2013 remote code execution via unauthenticated auto-update", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-494", "description": "CWE-494 Download of code without integrity check", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-295", "description": "CWE-295 Improper certificate validation", "type": "CWE"}]}, {"descriptions": [{"lang": "en", "cweId": "CWE-347", "description": "CWE-347 Improper verification of cryptographic signature", "type": "CWE"}]}], "affected": [{"vendor": "Latvijas Valsts radio un telev\u012bzijas centrs (LVRTC)", "product": "eParakst\u012bt\u0101js 3.0", "platforms": ["Windows"], "versions": [{"status": "affected", "version": "0", "lessThan": "1.10.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "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", "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"]}], "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"}}]}}

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