CVE-2026-41876 R-SOFT SERWIS CVE debrief

Who should care

Users of R-SOFT DMS, particularly those with administrative access, should apply the patches in version v3.19-2752 and v3.17-2580 to prevent OS Command Injection attacks. Security teams should review system logs for potential exploitation attempts and implement additional monitoring for suspicious activity. Operators of affected deployments should prioritize patching and review compensating controls for exposed systems.

Technical summary

The vulnerability exists in the konwertujAction() function of R-SOFT DMS. The document converter executes shell commands using unsanitized file paths and format parameters. This allows an authenticated attacker to execute arbitrary system commands with the privileges of the web server user. The issue was addressed in versions v3.19-2752 and v3.17-2580. Affected product deployments should be reviewed for exposure, and patches should be applied immediately to prevent exploitation.

Defensive priority

High priority due to the high CVSS score of 8.7 and the potential for arbitrary system command execution.

Recommended defensive actions

• Apply patches in version v3.19-2752 and v3.17-2580
• Restrict access to the document converter
• Monitor for suspicious activity
• Implement input validation and sanitization
• Review system logs for potential exploitation attempts
• Conduct regular vulnerability assessments
• Verify affected deployments and review official advisories for specific guidance

Evidence notes

The CVE record was published on 2026-07-10T10:16:23.687Z and was last modified on 2026-07-10T11:16:32.963Z. The NVD entry is currently 8.7 HIGH. Evidence is limited to public sources and may not reflect the full scope or impact of the vulnerability. Defenders should verify affected deployments and review official advisories for specific guidance. Limited source detail suggests additional verification may be required to confirm affected scope and impact.

Official resources