CVE-2026-7443

HIGHNVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory published 2026-04-30. NVD baseline CVSS 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
7.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.3Exploit: NoneExposed: 0

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

A weakness has been identified in BurtTheCoder mcp-dnstwist up to 1.0.4. Affected by this vulnerability is the function fuzz_domain of the file src/index.ts of the component MCP Interface. Executing a manipulation of the argument Request can lead to os command injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3
7.3
EG Score
7.3(medium)
EPSS
69.0%
KEV
Not listed

Published

April 29, 2026

Last Modified

April 30, 2026

Advisory Details (3)

Auto-updated Apr 29, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

OS Command Injection Vulnerability in @burtthecoder/mcp-dnstwist · Issue #13 · BurtTheCoder/mcp-dnstwist · GitHub

https://github.com/BurtTheCoder/mcp-dnstwist/issues/13
generic

GitHub - BurtTheCoder/mcp-dnstwist: MCP server for dnstwist, a powerful DNS fuzzing tool that helps detect typosquatting, phishing, and corporate espionage. · GitHub

https://github.com/BurtTheCoder/mcp-dnstwist/
generic🟡 PoC Available

OS Command Injection Vulnerability in @burtthecoder/mcp-dnstwist · Issue #22 · BruceJqs/public_exp · GitHub

https://github.com/BruceJqs/public_exp/issues/22

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 122 total refreshes for this CVE.

  1. 2026-07-16 17:03 UTCEPSS rescore
  2. 2026-07-15 16:57 UTCEPSS rescore
  3. 2026-07-15 02:00 UTCEPSS rescore
  4. 2026-07-13 22:31 UTCEPSS rescore
  5. 2026-07-13 06:13 UTCEPSS rescore
  6. 2026-07-12 05:46 UTCEPSS rescore
  7. 2026-07-11 08:27 UTCEPSS rescore
  8. 2026-07-11 08:27 UTCEPSS rescore
  9. 2026-07-09 19:10 UTCEPSS rescore
  10. 2026-07-09 19:10 UTCEPSS rescore
  11. 2026-07-08 15:16 UTCEPSS rescore
  12. 2026-07-08 15:16 UTCEPSS rescore
  13. 2026-07-06 16:27 UTCEPSS rescore
  14. 2026-07-06 16:27 UTCEPSS rescore
  15. 2026-07-06 02:23 UTCEPSS rescore
  16. 2026-07-06 02:23 UTCEPSS rescore
  17. 2026-07-05 02:31 UTCEPSS rescore
  18. 2026-07-05 02:30 UTCEPSS rescore
  19. 2026-07-04 06:31 UTCEPSS rescore
  20. 2026-07-04 06:31 UTCEPSS rescore
  21. 2026-07-01 15:07 UTCEPSS rescore
  22. 2026-06-30 23:22 UTCEPSS rescore
  23. 2026-06-29 14:06 UTCEPSS rescore
  24. 2026-06-28 14:07 UTCEPSS rescore
  25. 2026-06-28 04:56 UTCEPSS rescore
Show 75 more
  1. 2026-06-27 03:08 UTCEPSS rescore
  2. 2026-06-25 13:50 UTCEPSS rescore
  3. 2026-06-24 14:05 UTCEPSS rescore
  4. 2026-06-23 21:33 UTCEPSS rescore
  5. 2026-06-22 14:25 UTCEPSS rescore
  6. 2026-06-22 14:25 UTCEPSS rescore
  7. 2026-06-21 14:56 UTCEPSS rescore
  8. 2026-06-21 14:56 UTCEPSS rescore
  9. 2026-06-21 01:59 UTCEPSS rescore
  10. 2026-06-21 01:59 UTCEPSS rescore
  11. 2026-06-19 19:26 UTCEPSS rescore
  12. 2026-06-19 19:26 UTCEPSS rescore
  13. 2026-06-18 17:52 UTCEPSS rescore
  14. 2026-06-18 17:52 UTCEPSS rescore
  15. 2026-06-17 17:53 UTCEPSS rescore
  16. 2026-06-16 17:53 UTCEPSS rescore
  17. 2026-06-15 17:49 UTCEPSS rescore
  18. 2026-06-15 17:49 UTCEPSS rescore
  19. 2026-06-14 23:18 UTCEPSS rescore
  20. 2026-06-14 21:10 UTCEG score recompute
  21. 2026-06-14 21:09 UTCGHSA enrichment
  22. 2026-06-14 09:22 UTCEG score recompute
  23. 2026-06-14 09:22 UTCGHSA enrichment
  24. 2026-06-13 23:00 UTCEPSS rescore
  25. 2026-06-12 23:12 UTCEPSS rescore
  26. 2026-06-12 23:12 UTCEPSS rescore
  27. 2026-06-12 11:03 UTCEG score recompute
  28. 2026-06-12 11:03 UTCGHSA enrichment
  29. 2026-06-11 23:19 UTCEG score recompute
  30. 2026-06-11 23:19 UTCGHSA enrichment
  31. 2026-06-11 14:00 UTCEPSS rescore
  32. 2026-06-11 11:34 UTCEG score recompute
  33. 2026-06-11 11:34 UTCGHSA enrichment
  34. 2026-06-10 23:01 UTCEG score recompute
  35. 2026-06-10 23:01 UTCGHSA enrichment
  36. 2026-06-10 22:19 UTCEPSS rescore
  37. 2026-06-10 13:22 UTCEPSS rescore
  38. 2026-06-10 11:16 UTCEG score recompute
  39. 2026-06-10 11:16 UTCGHSA enrichment
  40. 2026-06-09 23:31 UTCEG score recompute
  41. 2026-06-09 23:31 UTCGHSA enrichment
  42. 2026-06-09 11:35 UTCEG score recompute
  43. 2026-06-09 11:35 UTCGHSA enrichment
  44. 2026-06-08 23:50 UTCEG score recompute
  45. 2026-06-08 23:50 UTCGHSA enrichment
  46. 2026-06-08 14:17 UTCEPSS rescore
  47. 2026-06-08 08:52 UTCEG score recompute
  48. 2026-06-08 08:52 UTCGHSA enrichment
  49. 2026-06-07 21:07 UTCEG score recompute
  50. 2026-06-07 21:07 UTCGHSA enrichment
  51. 2026-06-07 15:25 UTCEPSS rescore
  52. 2026-06-07 09:21 UTCEG score recompute
  53. 2026-06-07 09:21 UTCGHSA enrichment
  54. 2026-06-06 21:36 UTCEG score recompute
  55. 2026-06-06 21:36 UTCGHSA enrichment
  56. 2026-06-06 13:47 UTCEPSS rescore
  57. 2026-06-06 09:25 UTCEG score recompute
  58. 2026-06-06 09:25 UTCGHSA enrichment
  59. 2026-06-05 22:47 UTCEPSS rescore
  60. 2026-06-05 21:37 UTCEG score recompute
  61. 2026-06-05 21:37 UTCGHSA enrichment
  62. 2026-06-05 09:52 UTCEG score recompute
  63. 2026-06-05 09:52 UTCGHSA enrichment
  64. 2026-06-05 06:10 UTCEPSS rescore
  65. 2026-06-04 21:55 UTCEG score recompute
  66. 2026-06-04 21:55 UTCGHSA enrichment
  67. 2026-06-04 13:12 UTCEPSS rescore
  68. 2026-06-04 10:04 UTCEG score recompute
  69. 2026-06-04 10:04 UTCGHSA enrichment
  70. 2026-06-03 22:07 UTCEG score recompute
  71. 2026-06-03 22:07 UTCGHSA enrichment
  72. 2026-06-03 10:15 UTCEG score recompute
  73. 2026-06-03 10:15 UTCGHSA enrichment
  74. 2026-06-02 22:01 UTCEG score recompute
  75. 2026-06-02 22:01 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-7443?
CVE-2026-7443 is a high vulnerability published on April 29, 2026. A weakness has been identified in BurtTheCoder mcp-dnstwist up to 1.0.4. Affected by this vulnerability is the function fuzz_domain of the file src/index.ts of the component MCP Interface. Executing a manipulation of the argument Request can lead to os command injection. The attack may be launched…
When was CVE-2026-7443 disclosed?
CVE-2026-7443 was first published in the National Vulnerability Database on April 29, 2026, with the most recent update on April 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-7443 actively exploited?
CVE-2026-7443 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 69.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-7443?
CVE-2026-7443 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-7443?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-7443, 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

Explore the affected products and dependency analysis for CVE-2026-7443

Explore →

Is Your Infrastructure Affected by CVE-2026-7443?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs