CVE-2025-66838 Denial of service in n/a
Attackers can exhaust server resources by uploading files at an unrestricted rate due to missing rate limiting in the file upload functionality.
- 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-2025-66838?
CVE-2025-66838 is a medium-severity denial of service vulnerability in n/a, published on 7 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In Aris v10.0.23.0.3587512 and before, the file upload functionality does not enforce any rate limiting or throttling, allowing users to upload files at an unrestricted rate. An attacker can exploit this behavior to rapidly upload a large volume of files, potentially leading to resource exhaustion such as disk space depletion, increased server load, or degraded performance
Weakness: CWE-770
Which versions are affected by CVE-2025-66838?
It affects 1 product.
Products include Softwareag Aris.
How do I fix CVE-2025-66838?
No fix has been published for CVE-2025-66838 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-66838 being exploited?
There is no known exploitation of CVE-2025-66838 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-2xw3-m2wf-5r5m.