{"id":"CVE-2026-42251","aliases":["EUVD-2026-33642","GHSA-vqmx-wc76-rxc7"],"status":"published","title":"Hard-coded credentials in KS-SOMED","description":"Use of hard-coded credentials in KS-SOMED allowed an unauthorized attacker access to FTP server that hosted the application's update packages. The attacker with these credentials could upload a malicious update file, which then may have been distributed and installed on client machines as a legitimate update.\n\nThis issue affects KS-SOMED with modules: KSPLUPDFTP.exe up to 30.00.00.056 and ANEKSKLIENT.EXE up to 29.00.02.026\n\nBeside removing the hard-coded credentials from the code and changing the update process, access granted by previously exposed credentials was limited to read-only.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00356,"percentile":0.29627,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-798"],"published":"2026-06-01T13:22:54Z","modified":"2026-07-22T07:10:00Z","products":[{"vendor":"kamsoft","product":"ks-somed"}],"references":[{"url":"https://cert.pl/posts/2026/06/CVE-2026-1958","tags":["third-party-advisory"]},{"url":"https://kamsoft.pl/ks-somed/","tags":["product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42251"},{"url":"https://kamsoft.pl/ks-somed"},{"url":"https://github.com/advisories/GHSA-vqmx-wc76-rxc7"}],"sources":{"cve":[{"id":"CVE-2026-42251","title":"Hard-coded credentials in KS-SOMED","description":"Use of hard-coded credentials in KS-SOMED allowed an unauthorized attacker access to FTP server that hosted the application's update packages. The attacker with these credentials could upload a malicious update file, which then may have been distributed and installed on client machines as a legitimate update.\n\nThis issue affects KS-SOMED with modules: KSPLUPDFTP.exe up to 30.00.00.056 and ANEKSKLIENT.EXE up to 29.00.02.026\n\nBeside removing the hard-coded credentials from the code and changing the update process, access granted by previously exposed credentials was limited to read-only.","status":"published","published":"2026-06-01T13:22:54.258Z","modified":"2026-06-01T15:29:24.327Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T13:40:23.731501Z"}],"euvd":[{"id":"EUVD-2026-33642","description":"Use of hard-coded credentials in KS-SOMED allowed an unauthorized attacker access to FTP server that hosted the application's update packages. The attacker with these credentials could upload a malicious update file, which then may have been distributed and installed on client machines as a legitimate update.\n\nThis issue affects KS-SOMED with modules: KSPLUPDFTP.exe up to 30.00.00.056 and ANEKSKLIENT.EXE up to 29.00.02.026\n\nBeside removing the hard-coded credentials from the code and changing the update process, access granted by previously exposed credentials was limited to read-only.","status":"published","published":"2026-06-01T13:22:54Z","modified":"2026-06-01T15:29:24Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:20:58.316953Z"}],"ghsa":[{"id":"GHSA-vqmx-wc76-rxc7","title":"Use of hard-coded credentials in KS-SOMED allowed an unauthorized attacker access to FTP server...","description":"Use of hard-coded credentials in KS-SOMED allowed an unauthorized attacker access to FTP server that hosted the application's update packages. The attacker with these credentials could upload a malicious update file, which then may have been distributed and installed on client machines as a legitimate update.\n\nThis issue affects KS-SOMED with modules: KSPLUPDFTP.exe up to 30.00.00.056 and ANEKSKLIENT.EXE up to 29.00.02.026\n\nBeside removing the hard-coded credentials from the code and changing the update process, access granted by previously exposed credentials was limited to read-only.","status":"published","published":"2026-06-01T15:30:42Z","modified":"2026-06-01T15:30:50Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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-798"],"updated_at":"2026-11-02T15:08:26.25145Z"}],"nvd":[{"id":"CVE-2026-42251","description":"Use of hard-coded credentials in KS-SOMED allowed an unauthorized attacker access to FTP server that hosted the application's update packages. The attacker with these credentials could upload a malicious update file, which then may have been distributed and installed on client machines as a legitimate update.\n\nThis issue affects KS-SOMED with modules: KSPLUPDFTP.exe up to 30.00.00.056 and ANEKSKLIENT.EXE up to 29.00.02.026\n\nBeside removing the hard-coded credentials from the code and changing the update process, access granted by previously exposed credentials was limited to read-only.","status":"published","published":"2026-06-01T15:16:35.06Z","modified":"2026-07-22T07:10:00.107Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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-798"],"updated_at":"2026-11-02T14:12:21.635958Z"}]}}