CVE-2025-31334 Security feature bypass in WinRAR
Attackers can bypass Mark of the Web warnings via symbolic links to execute arbitrary code in WinRAR.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-31334?
CVE-2025-31334 is a medium-severity vulnerability in RARLAB WinRAR, published on 3 Apr 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
Issue that bypasses the "Mark of the Web" security warning function for files when opening a symbolic link that points to an executable file exists in WinRAR versions prior to 7.11. If a symbolic link specially crafted by an attacker is opened on the affected product, arbitrary code may be executed.
Weakness: CWE-356
Which versions are affected by CVE-2025-31334?
It affects 1 product.
Products include Rarlab Winrar.
How do I fix CVE-2025-31334?
No fix has been published for CVE-2025-31334 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-31334 being exploited?
There is no known exploitation of CVE-2025-31334 in the wild and no public exploit code.
Other vulnerabilities in RARLAB WinRAR
Sources
Also known as GHSA-2mpw-8427-rgcw.