CVE-2026-34841

Bruno is an open source IDE for exploring and testing APIs. Prior to 3.2.1, Bruno was affected by 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. Upgrade to 3.2.1

Score

CVSS 3.1 9.8 Critical

Status

Analyzed - security-advisories@github.com

Published

2026-04-06

Last modified

2026-10-23

Weaknesses

CWE-494, CWE-506

Affected products

• Bruno (Usebruno)

References

• https://github.com/usebruno/bruno/security/advisories/GHSA-658g-p7jg-wx5g
• https://github.com/axios/axios/issues/10604
• https://github.com/usebruno/bruno/pull/7632
• https://www.aikido.dev/blog/axios-npm-compromised-maintainer-hijacked-rat