CVE-2026-34841

CRITICAL

Axios npm Supply Chain Incident Impacting @usebruno/cli

Title source: cna
STIX 2.1

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)

Core 4
Core References
X_Refsource_Misc x_refsource_misc
https://github.com/axios/axios/issues/10604
X_Refsource_Misc x_refsource_misc
https://github.com/usebruno/bruno/pull/7632

Scores

CVSS v3 9.8
EPSS 0.0023
EPSS Percentile 14.1%
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