CVE-2026-34841
Last modified
CVE-2026-34841 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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). EPSS estimates a 0.23% chance of exploitation in the next 30 days.
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
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Usebruno | Bruno | < 3.2.1 |
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
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-34841?
How severe is CVE-2026-34841?
How do I fix CVE-2026-34841?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-34835Rack is a modular Ruby web server interface. From versions 3…6.5
- CVE-2026-34837Zammad is a web based open source helpdesk/customer support …4.3
- CVE-2026-34838Group-Office is an enterprise customer relationship manageme…9.9
- CVE-2026-34839Glances is an open-source system cross-platform monitoring t…6.5
- CVE-2026-3484A vulnerability was detected in PhialsBasement nmap-mcp-serv…8.8
- CVE-2026-34840OneUptime is an open-source monitoring and observability pla…8.1
- CVE-2026-34847hoppscotch is an open source API development ecosystem. Prio…6.1
- CVE-2026-34848hoppscotch is an open source API development ecosystem. Prio…5.4
- CVE-2026-34849UAF vulnerability in the screen management module. Impact: S…4.7
- CVE-2026-3485A flaw has been found in D-Link DIR-868L 110b03. This affect…9.8
- CVE-2026-34850Race condition vulnerability in the notification service. Im…5.9
- CVE-2026-34851Race condition vulnerability in the event notification modul…7.5
Are you affected by CVE-2026-34841?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST