CVE-2026-34841

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.0%, top 91% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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
EG Score
9.8(medium)
EPSS
14.3%
KEV
Not listed

Published

April 6, 2026

Last Modified

April 22, 2026

Advisory Details (4)

Auto-updated May 12, 2026
Patch available. Sources: github.
generic

axios compromised on npm: maintainer account hijacked, RAT deployed

https://www.aikido.dev/blog/axios-npm-compromised-maintainer-hijacked-rat
github Patch Available

Axios npm Supply Chain Incident Impacting @usebruno/cli · Advisory · usebruno/bruno · GitHub

https://github.com/usebruno/bruno/security/advisories/GHSA-658g-p7jg-wx5g
generic

chore: pin axios version by sid-bruno · Pull Request #7632 · usebruno/bruno · GitHub

https://github.com/usebruno/bruno/pull/7632
generic

[email protected] and [email protected] are compromised · Issue #10604 · axios/axios · GitHub

https://github.com/axios/axios/issues/10604

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
@usebruno/cli—3.2.1—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 8× in last 7d / 40× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 106 total refreshes for this CVE.

  1. 2026-07-11 08:27 UTCEPSS rescore
  2. 2026-07-09 19:10 UTCEPSS rescore
  3. 2026-07-08 15:15 UTCEPSS rescore
  4. 2026-07-07 13:46 UTCEPSS rescore
  5. 2026-07-06 16:27 UTCEPSS rescore
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  7. 2026-07-06 02:23 UTCEPSS rescore
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  9. 2026-07-01 15:06 UTCEPSS rescore
  10. 2026-06-30 23:22 UTCEPSS rescore
  11. 2026-06-29 14:06 UTCEPSS rescore
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  13. 2026-06-28 14:07 UTCEPSS rescore
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  15. 2026-06-28 04:56 UTCEPSS rescore
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  17. 2026-06-27 03:08 UTCEPSS rescore
  18. 2026-06-25 13:49 UTCEPSS rescore
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  20. 2026-06-24 14:05 UTCEPSS rescore
  21. 2026-06-23 21:33 UTCEPSS rescore
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  23. 2026-06-22 14:25 UTCEPSS rescore
  24. 2026-06-22 14:25 UTCEPSS rescore
  25. 2026-06-21 14:56 UTCEPSS rescore
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  1. 2026-06-21 14:56 UTCEPSS rescore
  2. 2026-06-21 01:59 UTCEPSS rescore
  3. 2026-06-19 19:25 UTCEPSS rescore
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  5. 2026-06-18 17:52 UTCEPSS rescore
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  9. 2026-06-15 17:49 UTCEPSS rescore
  10. 2026-06-14 23:18 UTCEPSS rescore
  11. 2026-06-13 23:00 UTCEPSS rescore
  12. 2026-06-12 23:12 UTCEPSS rescore
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  14. 2026-06-12 05:12 UTCEG score recompute
  15. 2026-06-12 01:24 UTCEG score recompute
  16. 2026-06-11 21:36 UTCEG score recompute
  17. 2026-06-11 14:00 UTCEPSS rescore
  18. 2026-06-10 22:18 UTCEPSS rescore
  19. 2026-06-10 21:00 UTCEG score recompute
  20. 2026-06-10 16:52 UTCEG score recompute
  21. 2026-06-10 13:22 UTCEPSS rescore
  22. 2026-06-10 13:04 UTCEG score recompute
  23. 2026-06-10 09:01 UTCEG score recompute
  24. 2026-06-10 05:12 UTCEG score recompute
  25. 2026-06-10 01:13 UTCEG score recompute
  26. 2026-06-09 17:54 UTCEG score recompute
  27. 2026-06-09 14:06 UTCEG score recompute
  28. 2026-06-08 14:17 UTCEPSS rescore
  29. 2026-06-08 14:17 UTCEPSS rescore
  30. 2026-06-08 13:11 UTCEG score recompute
  31. 2026-06-08 09:24 UTCEG score recompute
  32. 2026-06-08 05:35 UTCEG score recompute
  33. 2026-06-08 01:47 UTCEG score recompute
  34. 2026-06-07 22:00 UTCEG score recompute
  35. 2026-06-07 18:10 UTCEG score recompute
  36. 2026-06-07 15:25 UTCEPSS rescore
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  39. 2026-06-07 14:19 UTCEG score recompute
  40. 2026-06-07 10:30 UTCEG score recompute
  41. 2026-06-06 13:47 UTCEPSS rescore
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  43. 2026-06-05 22:47 UTCEPSS rescore
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  45. 2026-06-05 06:10 UTCEPSS rescore
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  49. 2026-06-02 20:13 UTCEPSS rescore
  50. 2026-06-01 13:52 UTCEPSS rescore
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  53. 2026-05-31 22:30 UTCEPSS rescore
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  55. 2026-05-31 00:16 UTCEPSS rescore
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  58. 2026-05-29 13:44 UTCEPSS rescore
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  60. 2026-05-28 13:44 UTCEPSS rescore
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  63. 2026-05-27 13:40 UTCEPSS rescore
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  66. 2026-05-26 13:44 UTCEPSS rescore
  67. 2026-05-26 07:18 UTCEPSS rescore
  68. 2026-05-26 07:18 UTCEPSS rescore
  69. 2026-05-23 00:08 UTCEG score recompute
  70. 2026-05-20 22:38 UTCEPSS rescore
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  72. 2026-05-20 11:22 UTCEPSS rescore
  73. 2026-05-20 11:22 UTCEPSS rescore
  74. 2026-05-20 06:56 UTCEG score recompute
  75. 2026-05-20 02:52 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-34841?
CVE-2026-34841 is a critical vulnerability published on April 6, 2026. 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…
When was CVE-2026-34841 disclosed?
CVE-2026-34841 was first published in the National Vulnerability Database on April 6, 2026, with the most recent update on April 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-34841 actively exploited?
CVE-2026-34841 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 14.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-34841?
CVE-2026-34841 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-34841?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-34841, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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