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PatchSiren cyber security CVE debrief

CVE-2026-41876 R-SOFT SERWIS CVE debrief

CVE-2026-41876 is an OS Command Injection vulnerability in R-SOFT DMS. The document converter executes shell commands using unsanitized file paths and format parameters, allowing an authenticated attacker to execute arbitrary system commands with the privileges of the web server user. This issue was fixed in version v3.19-2752 and v3.17-2580. Users should apply patches immediately and review system logs for suspicious activity. Affected product deployments should be identified, and owners assigned for follow-up.

Vendor
R-SOFT SERWIS
Product
DMS
CVSS
HIGH 8.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-10
Original CVE updated
2026-07-10
Advisory published
2026-07-10
Advisory updated
2026-07-10

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.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-41876 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-41876

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-41876 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-41876

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.