CVE-2026-34841

CRITICAL EPSS 14.2%
Published Apr 6, 20262mo ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Apr 6, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago

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

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
14.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 2

CWE-494
CWE-506

Affected Products 1

VendorProductVersionRange
usebrunobruno* <3.2.1

References 4

  • github.com https://github.com/axios/axios/issues/10604
    Issue Tracking
  • github.com https://github.com/usebruno/bruno/pull/7632
    Issue TrackingPatch
  • github.com https://github.com/usebruno/bruno/security/advisories/GHSA-658g-p7jg-wx5g
    MitigationPatchVendor Advisory
  • aikido.dev https://www.aikido.dev/blog/axios-npm-compromised-maintainer-hijacked-rat
    MitigationPress/Media Coverage

Remediation

  • github.com https://github.com/usebruno/bruno/pull/7632
    Issue TrackingPatch
  • github.com https://github.com/usebruno/bruno/security/advisories/GHSA-658g-p7jg-wx5g
    MitigationPatchVendor Advisory