CVE-2025-30354 Bruno ignores Safe-Mode in Asserts expressions
Attackers can execute arbitrary code by tricking users into opening malicious API collections, bypassing the application's Safe Mode sandbox restrictions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-30354?
CVE-2025-30354 is a high-severity code injection vulnerability in usebruno bruno, published on 1 Apr 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Bruno is an open source IDE for exploring and testing APIs. A bug in the assertion runtime caused assert expressions to run in Developer Mode, even if Safe Mode was selected. The bug resulted in the sandbox settings to be ignored for the particular case where a single request is run/sent. This vulnerability's attack surface is limited strictly to scenarios where users import collections from untrusted or malicious sources. The exploit requires deliberate action from the user—specifically, downloading and opening an externally provided malicious Bruno collection. The vulnerability is fixed in 1.39.1.
Weakness: CWE-942
Which versions are affected by CVE-2025-30354?
It affects 1 product.
Products include Usebruno Bruno.
How do I fix CVE-2025-30354?
No fix has been published for CVE-2025-30354 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2025-30354 being exploited?
There is no known exploitation of CVE-2025-30354 in the wild and no public exploit code.
Other vulnerabilities in usebruno bruno
Sources
Also known as GHSA-hffg-7v8v-79j3.