CVE-2026-34841CRITICAL 9.8EPSS p14.1%

CVE-2026-34841CVE-2026-34841

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

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.23% probability of exploitation · percentile 14.1% · 2026-06-19T12:03:05Z
Published2026-04-06
Last modified2026-04-22

Underlying weaknesses· 2

CWE-494CWE-506

References

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

2

TypeTargetConfidenceTier
WeaknessDownload of Code Without Integrity Checkcwe-4940%live
WeaknessEmbedded Malicious Codecwe-5060%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.