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BREW-bruno-cli-CVE-2026-34841 — Axios npm Supply Chain Incident Impacting @usebruno/cli

2026-10-02T12:08:59.041719+00:00

Affected: Homebrew: bruno-cli

### **Impact**

This is a **supply chain attack** involving compromised versions of the `axios` npm package, which introduced a hidden dependency deploying a cross-platform Remote Access Trojan (RAT).

Users of **@usebruno/cli** who ran `npm install` between **00:21 UTC and ~03:30 UTC on March 31, 2026** may have been impacted.

Potential impact includes:

* Execution of a malicious `postinstall` script * Remote Access Trojan (RAT) installation * Exfiltration of credentials and sensitive data

**Not impacted:**

* Bruno desktop app users * Users who installed outside the attack window

### **Patches**

The compromised `axios` versions (`1.14.1`, `0.30.4`) have been **removed from npm**, and new installations will now resolve to safe versions.

Additionally, Bruno has taken further hardening steps:

* Pinned `axios` to a known safe version to prevent accidental resolution to malicious releases * Fix implemented in: [https://github.com/usebruno/bruno/pull/7632](https://github.com/usebruno/bruno/pull/7632)

### **Recommendation**

If users installed **@usebruno/cli** during the affected window: 1. Reinstall dependencies 2. Rotate all credentials and secrets:

For additional guidance on securing your system, refer to this article: https://www.aikido.dev/blog/axios-npm-compromised-maintainer-hijacked-rat

EUVD-2026-281189

2026-10-02T12:08:59.041791+00:00