TI-2026-27085 Aliases CVE-2026-34841 GHSA-658g-p7jg-wx5g

Axios npm Supply Chain Incident Impacting @usebruno/cli

MEDIUM 48CWE-494Published 2026-04-06 · Updated 2026-04-08

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-494.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00241 15th percentileScored 2026-11-07

Fix Fixed bruno (usebruno): 3.2.1@usebruno/cli (npm): 3.2.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
usebruno	bruno	before 3.2.1	3.2.1	Patch available	CNA
—	@usebruno/cli (npm)	before 3.2.1	3.2.1	Patch available	GHSA-658g-p7jg-wx5g

bruno Vendorusebruno Affected before 3.2.1 Fixed in 3.2.1 Patch available CNA
@usebruno/cli (npm) Vendor— Affected before 3.2.1 Fixed in 3.2.1 Patch available GHSA-658g-p7jg-wx5g

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:usebruno:bruno::::::::	before 3.2.1	Vulnerable	usebruno

cpe:2.3:a:usebruno:bruno:*:*:*:*:*:*:*:* Versions before 3.2.1 Vulnerable ·usebruno

Remediation

Fix · CNA bruno (usebruno) Fixed in 3.2.1
Fix · GHSA-658g-p7jg-wx5g @usebruno/cli (npm) Fixed in 3.2.1 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2026-34841
2026-10-03 Alias added: GHSA-658g-p7jg-wx5g

References

Patch 2

Advisory 2

Other 3

TI-2024-32402 Bruno before 1.29.1 uses Electron shell.openExternal without validation (of http or… CVSS 3.1MEDIUM 6.5
TI-2025-21660 Bruno ignores Safe-Mode in Asserts expressions CVSS 4.0HIGH 8.7
TI-2025-21546 Bruno XSS On Environment Name CVSS 4.0HIGH 8.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences