CVE-2026-34841

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 v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/axios/axios/issues/10604	Issue Tracking
https://github.com/usebruno/bruno/pull/7632	Issue Tracking Patch
https://github.com/usebruno/bruno/security/advisories/GHSA-658g-p7jg-wx5g	Mitigation Patch Vendor Advisory
https://www.aikido.dev/blog/axios-npm-compromised-maintainer-hijacked-rat	Mitigation Press/Media Coverage

Configurations

Configuration 1 (hide)

cpe:2.3:a:usebruno:bruno:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-04-06 17:17

Updated : 2026-06-17 10:39

NVD link : CVE-2026-34841

Mitre link : CVE-2026-34841

CVE.ORG link : CVE-2026-34841

JSON object : View

Products Affected

usebruno

bruno

CWE

CWE-494

Download of Code Without Integrity Check

CWE-506

Embedded Malicious Code

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