CVE-2026-34841

EUVD-2026-19354
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
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
GitHub_MCNA
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
usebrunobruno
𝑥
< 3.2.1
CNA
Common Weakness Enumeration
References
https://github.com/axios/axios/issues/10604
https://github.com/usebruno/bruno/pull/7632
https://github.com/usebruno/bruno/security/advisories/GHSA-658g-p7jg-wx5g
https://www.aikido.dev/blog/axios-npm-compromised-maintainer-hijacked-rat