CVE-2026-7039

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-04-26. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.8Exploit: Elevated riskExposed: 0

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

A security vulnerability has been detected in tufantunc ssh-mcp up to 1.5.0. The affected element is the function shell.write of the file src/index.ts. Such manipulation of the argument Description leads to command injection. The attack must be carried out locally. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
51(Track*)
EG Risk 51/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity78% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
1%
EPSS %ILE
49%
KEV
Not listed

Published

April 26, 2026

Last Modified

April 29, 2026

Advisory Details (2)

Auto-updated May 6, 2026
No patch confirmed yet.
generic

VULN: Command Injection · Issue #44 · tufantunc/ssh-mcp · GitHub

https://github.com/tufantunc/ssh-mcp/issues/44
generic

GitHub - tufantunc/ssh-mcp: MCP server exposing SSH control for Linux servers via Model Context Protocol. · GitHub

https://github.com/tufantunc/ssh-mcp/

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 5× in last 7d / 31× 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 202 total refreshes for this CVE.

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

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Frequently asked(5)

What is CVE-2026-7039?
CVE-2026-7039 is a high vulnerability published on April 26, 2026. A security vulnerability has been detected in tufantunc ssh-mcp up to 1.5.0. The affected element is the function shell.write of the file src/index.ts. Such manipulation of the argument Description leads to command injection. The attack must be carried out locally. The exploit has been disclosed…
When was CVE-2026-7039 disclosed?
CVE-2026-7039 was first published in the National Vulnerability Database on April 26, 2026, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-7039 actively exploited?
CVE-2026-7039 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 50.7% of all scored CVEs.
What is the CVSS score of CVE-2026-7039?
CVE-2026-7039 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-7039?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-7039, 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.

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