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GHSA-658g-p7jg-wx5g

CriticalCVSS 9.8 / 10
Published Apr 2, 2026·Last modified Apr 6, 2026
Affected Components(0)

No affected components available

Description

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:

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

Risk Scores
Base Score
9.8

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high impact on the availability of the system.

Threat Intelligence
9.0

Active exploitation in the wild has been confirmed. Immediate patching or mitigation is required.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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Critical severity
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