CVE-2026-5831

MEDIUMNVD 6.36.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.3 under NVD CVSS v3. EPSS exploit probability: 1.5%, top 18% 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
Elevated
6.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.3Exploit: NoneExposed: 0

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

A security flaw has been discovered in Agions taskflow-ai up to 2.1.8. This impacts an unknown function of the file src/mcp/server/handlers.ts of the component terminal_execute. Performing a manipulation results in os command injection. The attack is possible to be carried out remotely. Upgrading to version 2.1.9 will fix this issue. The patch is named c1550b445b9f24f38c4414e9a545f5f79f23a0fe. Upgrading the affected component is recommended. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

CVSS v3
6.3
EG Score
6.3(medium)
EPSS
62.2%
KEV
Not listed

Published

April 9, 2026

Last Modified

April 24, 2026

Advisory Details (3)

Auto-updated Jun 15, 2026
🔬 Proof of concept available. Patch available. Sources: github_release.
github_release Patch Available

v2.1.9 - 安全修复

Patch available: Agions/taskflow-ai v2.1.9

https://github.com/Agions/taskflow-ai/releases/tag/v2.1.9
generic🟡 PoC Available

Command Injection Vulnerability · Issue #2 · Agions/taskflow-ai · GitHub

https://github.com/Agions/taskflow-ai/issues/2
generic

GitHub - Agions/taskflow-ai: Pure MCP Server for Claude Desktop, Cursor and Windsurf - Complete, Secure, and Easy-to-Use · GitHub

https://github.com/Agions/taskflow-ai/

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
taskflow-ai—2.1.9—

Weakness Classification(2)

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.

  1. 2026-07-16 17:03 UTCEPSS rescore
  2. 2026-07-15 16:57 UTCEPSS rescore
  3. 2026-07-15 02:00 UTCEPSS rescore
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  11. 2026-07-09 19:10 UTCEPSS rescore
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  15. 2026-07-07 13:46 UTCEPSS rescore
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  17. 2026-07-06 16:27 UTCEPSS rescore
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  19. 2026-07-06 02:23 UTCEPSS rescore
  20. 2026-07-06 02:23 UTCEPSS rescore
  21. 2026-07-05 02:31 UTCEPSS rescore
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  23. 2026-07-04 06:31 UTCEPSS rescore
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  25. 2026-07-01 15:07 UTCEPSS rescore
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  1. 2026-06-30 23:22 UTCEPSS rescore
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  3. 2026-06-28 14:07 UTCEPSS rescore
  4. 2026-06-28 04:56 UTCEPSS rescore
  5. 2026-06-27 03:08 UTCEPSS rescore
  6. 2026-06-25 13:50 UTCEPSS rescore
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  8. 2026-06-23 21:33 UTCEPSS rescore
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  10. 2026-06-22 14:25 UTCEPSS rescore
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  12. 2026-06-21 14:56 UTCEPSS rescore
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  18. 2026-06-18 17:52 UTCEPSS rescore
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  22. 2026-06-15 17:49 UTCEPSS rescore
  23. 2026-06-15 17:49 UTCEPSS rescore
  24. 2026-06-15 05:22 UTCEG score recompute
  25. 2026-06-14 23:18 UTCEPSS rescore
  26. 2026-06-13 23:00 UTCEPSS rescore
  27. 2026-06-12 23:12 UTCEPSS rescore
  28. 2026-06-12 23:12 UTCEPSS rescore
  29. 2026-06-11 20:37 UTCEG score recompute
  30. 2026-06-11 14:00 UTCEPSS rescore
  31. 2026-06-10 22:19 UTCEPSS rescore
  32. 2026-06-10 13:22 UTCEPSS rescore
  33. 2026-06-10 11:29 UTCEG score recompute
  34. 2026-06-09 13:09 UTCEG score recompute
  35. 2026-06-08 14:17 UTCEPSS rescore
  36. 2026-06-08 07:07 UTCEG score recompute
  37. 2026-06-07 15:25 UTCEPSS rescore
  38. 2026-06-07 08:48 UTCEG score recompute
  39. 2026-06-06 13:47 UTCEPSS rescore
  40. 2026-06-05 22:47 UTCEPSS rescore
  41. 2026-06-05 06:10 UTCEPSS rescore
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  43. 2026-06-04 13:12 UTCEPSS rescore
  44. 2026-06-04 13:12 UTCEPSS rescore
  45. 2026-06-02 20:13 UTCEPSS rescore
  46. 2026-06-01 13:52 UTCEPSS rescore
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  48. 2026-05-31 22:30 UTCEPSS rescore
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  50. 2026-05-31 00:16 UTCEPSS rescore
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  52. 2026-05-29 13:44 UTCEPSS rescore
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  56. 2026-05-27 13:40 UTCEPSS rescore
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  58. 2026-05-26 13:44 UTCEPSS rescore
  59. 2026-05-26 07:18 UTCEPSS rescore
  60. 2026-05-23 00:08 UTCEG score recompute
  61. 2026-05-21 22:43 UTCEPSS rescore
  62. 2026-05-20 22:38 UTCEPSS rescore
  63. 2026-05-20 18:10 UTCEG score recompute
  64. 2026-05-20 11:22 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-5831?
CVE-2026-5831 is a medium vulnerability published on April 9, 2026. A security flaw has been discovered in Agions taskflow-ai up to 2.1.8. This impacts an unknown function of the file src/mcp/server/handlers.ts of the component terminal_execute. Performing a manipulation results in os command injection. The attack is possible to be carried out remotely. Upgrading…
When was CVE-2026-5831 disclosed?
CVE-2026-5831 was first published in the National Vulnerability Database on April 9, 2026, with the most recent update on April 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-5831 actively exploited?
CVE-2026-5831 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 62.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-5831?
CVE-2026-5831 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-5831?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-5831, 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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