{"id":"CVE-2026-0392","aliases":["EUVD-2026-52259","GHSA-gw22-gf8m-29g5"],"status":"published","title":"eParakstītājs 3.0 for Windows – remote code execution via unauthenticated auto-update","description":"eParakstītājs 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.","severity":{"version":"4.0","score":7.3,"vector":"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00086,"percentile":0.00298,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295","CWE-347","CWE-494"],"published":"2026-08-03T09:56:31Z","modified":"2026-10-23T22:10:00Z","products":[{"vendor":"latvijas valsts radio un televīzijas centrs (lvrtc)","product":"eparakstītājs 3.0"}],"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"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0392"},{"url":"https://offseq.com/en/research/eparakstitajs-cve-2026-0392"},{"url":"https://github.com/advisories/GHSA-gw22-gf8m-29g5"}],"sources":{"cve":[{"id":"CVE-2026-0392","title":"eParakstītājs 3.0 for Windows – remote code execution via unauthenticated auto-update","description":"eParakstītājs 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.","status":"published","published":"2026-08-03T09:56:31.363Z","modified":"2026-08-05T09:29:36.104Z","cvss":[{"version":"4.0","score":7.3,"vector":"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","level":"high","assessor":"cna"}],"cwes":["CWE-494","CWE-295","CWE-347"],"updated_at":"2026-11-02T14:20:13.587351Z"}],"euvd":[{"id":"EUVD-2026-52259","description":"eParakstītājs 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.","status":"published","published":"2026-08-03T09:56:31Z","modified":"2026-08-05T09:29:36Z","cvss":[{"version":"4.0","score":7.3,"vector":"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","level":"high"}],"updated_at":"2026-11-02T18:02:18.377151Z"}],"ghsa":[{"id":"GHSA-gw22-gf8m-29g5","title":"eParakstītājs 3.0 for Windows before version\n1.10.0 retrieves and executes its automatic updates...","description":"eParakstītājs 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.","status":"published","published":"2026-08-03T12:32:36Z","modified":"2026-08-05T12:31:30Z","cvss":[{"version":"4.0","score":7.3,"vector":"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","level":"high"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:10:06.632203Z"}],"nvd":[{"id":"CVE-2026-0392","description":"eParakstītājs 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.","status":"published","published":"2026-08-03T10:16:27.747Z","modified":"2026-10-23T22:10:00.16Z","cvss":[{"version":"4.0","score":7.3,"vector":"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","level":"high","assessor":"secondary"}],"cwes":["CWE-295","CWE-347","CWE-494"],"updated_at":"2026-11-02T14:12:34.643497Z"}]}}