Vulnerability · Published Jun 1, 2026 · Assigned by CERT-PL
CVE-2026-42251Hard-coded credentials in KS-SOMED
High 8.7
In plain English
A high-severity hard-coded credentials in KS-SOMED from KAMSOFT. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 29% of all known vulnerabilities).
Official 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. This issue affects KS-SOMED with modules: KSPLUPDFTP.exe up to 30.00.00.056 and ANEKSKLIENT.EXE up to 29.00.02.026 Beside removing the hard-coded credentials from the code and changing the update process, access granted by previously exposed credentials was limited to read-only.
Affected products (as reported)
Weakness: CWE-798 · 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
References
- https://cert.pl/posts/2026/06/CVE-2026-1958 third-party-advisory
- https://kamsoft.pl/ks-somed/ product