CVE-2026-34841

critical

Description

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

References

https://www.aikido.dev/blog/axios-npm-compromised-maintainer-hijacked-rat

https://github.com/usebruno/bruno/security/advisories/GHSA-658g-p7jg-wx5g

https://github.com/usebruno/bruno/pull/7632

https://github.com/axios/axios/issues/10604

Details

Source: Mitre, NVD

Published: 2026-04-06

Updated: 2026-04-22

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00021