CVE-2026-41879 PUBLISHED

Weak password hashing in R-SOFT DMS

Assigner: CERT-PL
Reserved: 22.04.2026 Published: 10.07.2026 Updated: 10.07.2026

R-SOFT DMS stores superadmin credentials using a non-salted nested MD5 hash. This allows an attacker who obtain password hash to decode superadmin credentials. Critically, this password cannot be changed except by modifying the configuration file.

This issue was fixed in version v3.17-2000.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 8.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	R-SOFT SERWIS
Product	DMS
Versions	Default: unaffected affected from 0 to v3.17-2000 (excl.)

Credits

Marek Figielski (Vanilla.pl) finder

References

https://cert.pl/posts/2026/07/CVE-2026-41876

Problem Types

CWE-328 Use of Weak Hash CWE