CVE-2026-34841

CRITICAL

Axios npm Supply Chain Incident Impacting @usebruno/cli

Title source: cna

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 (4)

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

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

[X_Refsource_Misc] https://github.com/axios/axios/issues/10604

[X_Refsource_Misc] https://github.com/usebruno/bruno/pull/7632

Scores

CVSS v3 9.8

EPSS 0.0003

EPSS Percentile 7.3%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-494 CWE-506

Status published

Products (2)

usebruno/bruno < 3.2.1 (2 CPE variants)

usebruno/cli 0 - 3.2.1npm

Published Apr 06, 2026

Tracked Since Apr 06, 2026