CVE-2026-30625

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 1.0%, top 42% 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
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: None knownExposed: 0

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

Upsonic 0.71.6 contains a remote code execution vulnerability in its MCP server/task creation functionality. The application allows users to define MCP tasks with arbitrary command and args values. Although an allowlist exists, certain allowed commands (npm, npx) accept argument flags that enable execution of arbitrary OS commands. Maliciously crafted MCP tasks may lead to remote code execution with the privileges of the Upsonic process. In version 0.72.0 Upsonic added a warning about using Stdio servers being able to execute commands directly on the machine.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
58%
KEV
Not listed

Published

April 15, 2026

Last Modified

April 27, 2026

Advisory Details (2)

Auto-updated Jul 27, 2026
Patch available. Sources: github_commit.
generic

MCP Supply Chain Advisory: RCE Vulnerabilities Across the AI Ecosystem | OX Security

https://www.ox.security/blog/mcp-supply-chain-advisory-rce-vulnerabilities-across-the-ai-ecosystem/
github_commit Patch Available

commit 855053fce066 (Upsonic/Upsonic)

Patch available: Upsonic/Upsonic v0.72.0 (contains commit 855053fce066)

https://github.com/Upsonic/Upsonic/commit/855053fce0662227d9246268ff4a0844b481a305

Affected Packages

(1 across 1 ecosystem)
PyPI(1)
PackageVulnerable rangeFixed inDependents
upsonic0.10.0 ... 0.9.0 (397 versions)0.72.0—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 46× 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 117 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-30625?
CVE-2026-30625 is a critical vulnerability published on April 15, 2026. Upsonic 0.71.6 contains a remote code execution vulnerability in its MCP server/task creation functionality. The application allows users to define MCP tasks with arbitrary command and args values. Although an allowlist exists, certain allowed commands (npm, npx) accept argument flags that enable…
When was CVE-2026-30625 disclosed?
CVE-2026-30625 was first published in the National Vulnerability Database on April 15, 2026, with the most recent update on April 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-30625 actively exploited?
CVE-2026-30625 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 41.6% of all scored CVEs.
What is the CVSS score of CVE-2026-30625?
CVE-2026-30625 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-30625?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-30625, 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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