CVE-2026-41878: R-SOFT DMS is vulnerable to Insecure Direct Object Reference (IDOR) attack in multiple file download endpoints. The application fetches files from the database by ID and serves the
R-SOFT DMS is vulnerable to Insecure Direct Object Reference (IDOR) attack in multiple file download endpoints. The application fetches files from the database by ID and serves them to whoever requests them, relying only on session authentication, meaning any valid user can access any file.
This issue was fixed in version v3.19-2862 and v3.17-2580.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-41878
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-418780.47% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 37% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-41878 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for R-SOFT DMS is
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- unknownCVE-2026-41880: R-SOFT DMS is vulnerable to OS Command Injection in the Optical Character Recognition (OCR) mo…nvd · 2026-07-10
- unknownCVE-2026-41879: R-SOFT DMS stores superadmin credentials using a non-salted nested MD5 hash. This allows an at…nvd · 2026-07-10
- unknownCVE-2026-41877: R-SOFT DMS is vulnerable to Stored XSS in file upload functionality. Authenticated attacker ca…nvd · 2026-07-10
- unknownCVE-2026-41876: R-SOFT DMS is vulnerable to OS Command Injection in konwertujAction() function. The document c…nvd · 2026-07-10
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