Critical 9.8Published Apr 6, 2026

CVE-2026-34841Bruno is an open source IDE for exploring and testing APIs.

Updated under an hour ago (2026-10-19 07:50 UTC)

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It affects usebruno bruno. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for usebruno bruno

Exploited in the last 30 days

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: 9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-494, CWE-506
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

usebruno bruno usebruno:bruno	before 3.2.1	NVD

References

https://github.com/axios/axios/issues/10604issue-tracking
https://github.com/usebruno/bruno/pull/7632issue-tracking, patch
https://github.com/usebruno/bruno/security/advisories/GHSA-658g-p7jg-wx5gmitigation, patch, vendor-advisory
https://www.aikido.dev/blog/axios-npm-compromised-maintainer-hijacked-ratmitigation, press/media-coverage

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.