CVE-2026-41878 Insecure Direct Object Reference in R-SOFT DMS
An authenticated attacker can access any file in the system by manipulating file IDs, bypassing intended access controls.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-41878?
CVE-2026-41878 is a high-severity missing authorization vulnerability in R-SOFT SERWIS DMS, published on 10 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-639
Which versions are affected by CVE-2026-41878?
How do I fix CVE-2026-41878?
No fix has been published for CVE-2026-41878 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-41878 being exploited?
There is no known exploitation of CVE-2026-41878 in the wild and no public exploit code.
Sources
Also known as GHSA-m5fr-qm38-x8f3.