CVE-2025-15577 Valmet DNA Web server arbitrary file read access
Unauthenticated attackers can read arbitrary files by manipulating URLs in Valmet DNA Web Tools, exposing sensitive data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-15577?
CVE-2025-15577 is a high-severity path traversal vulnerability in Valmet DNA Web Tools, published on 12 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An unauthenticated attacker can exploit this vulnerability by manipulating URL to achieve arbitrary file read access.This issue affects Valmet DNA Web Tools: C2022 and older.
Weakness: CWE-22
Which versions are affected by CVE-2025-15577?
It affects 1 product.
Products include Valmet Dna.
How do I fix CVE-2025-15577?
No fix has been published for CVE-2025-15577 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2025-15577 being exploited?
There is no known exploitation of CVE-2025-15577 in the wild and no public exploit code.
Other vulnerabilities in Valmet DNA Web Tools
Sources
Also known as GHSA-g666-g65w-p8mh.