CVE-2026-9367

HIGHNVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory published 2026-05-26. 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: 2%CVSS: 7.3Exploit: NoneExposed: 0

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

A vulnerability was determined in NousResearch hermes-agent up to 5157f5427f19488b31c6fdebbacd15d798ce7f63. This affects the function detect_dangerous_command of the file tools/approval.py of the component terminal_tool. This manipulation causes os command injection. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3
7.3
EG Score
7.3(medium)
EPSS
74.0%
KEV
Not listed

Published

May 24, 2026

Last Modified

May 26, 2026

Advisory Details (1)

Auto-updated Jun 11, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Hermes Agent - Terminal Tool Command Detection Bypass · GitHub

https://gist.github.com/YLChen-007/75fb10319693e86106ced2ef3a472c80

Vendor Advisories for CVE-2026-9367(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 49× 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 133 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. 2026-07-12 05:46 UTCEPSS rescore
  6. 2026-07-11 08:27 UTCEPSS rescore
  7. 2026-07-09 19:10 UTCEPSS rescore
  8. 2026-07-08 15:16 UTCEPSS rescore
  9. 2026-07-07 13:46 UTCEPSS rescore
  10. 2026-07-06 16:27 UTCEPSS rescore
  11. 2026-07-06 02:23 UTCEPSS rescore
  12. 2026-07-05 02:31 UTCEPSS rescore
  13. 2026-07-04 06:31 UTCEPSS rescore
  14. 2026-07-04 06:31 UTCEPSS rescore
  15. 2026-07-01 15:07 UTCEPSS rescore
  16. 2026-06-30 23:22 UTCEPSS rescore
  17. 2026-06-29 16:27 UTCEG score recompute
  18. 2026-06-29 16:27 UTCGHSA enrichment
  19. 2026-06-29 14:06 UTCEPSS rescore
  20. 2026-06-29 02:47 UTCEG score recompute
  21. 2026-06-29 02:47 UTCGHSA enrichment
  22. 2026-06-28 14:07 UTCEPSS rescore
  23. 2026-06-28 09:44 UTCEG score recompute
  24. 2026-06-28 09:44 UTCGHSA enrichment
  25. 2026-06-28 04:56 UTCEPSS rescore
Show 75 more
  1. 2026-06-27 20:50 UTCEG score recompute
  2. 2026-06-27 20:50 UTCGHSA enrichment
  3. 2026-06-27 07:56 UTCEG score recompute
  4. 2026-06-27 07:56 UTCGHSA enrichment
  5. 2026-06-27 03:08 UTCEPSS rescore
  6. 2026-06-26 19:02 UTCEG score recompute
  7. 2026-06-26 19:02 UTCGHSA enrichment
  8. 2026-06-26 03:09 UTCEG score recompute
  9. 2026-06-26 03:09 UTCGHSA enrichment
  10. 2026-06-25 13:50 UTCEPSS rescore
  11. 2026-06-25 13:49 UTCEG score recompute
  12. 2026-06-25 13:49 UTCGHSA enrichment
  13. 2026-06-24 14:05 UTCEPSS rescore
  14. 2026-06-23 21:33 UTCEPSS rescore
  15. 2026-06-22 14:25 UTCEPSS rescore
  16. 2026-06-21 14:56 UTCEPSS rescore
  17. 2026-06-21 01:59 UTCEPSS rescore
  18. 2026-06-19 19:26 UTCEPSS rescore
  19. 2026-06-18 17:52 UTCEPSS rescore
  20. 2026-06-17 21:22 UTCEG score recompute
  21. 2026-06-17 21:22 UTCGHSA enrichment
  22. 2026-06-17 17:53 UTCEPSS rescore
  23. 2026-06-17 08:28 UTCEG score recompute
  24. 2026-06-17 08:28 UTCGHSA enrichment
  25. 2026-06-16 19:16 UTCEG score recompute
  26. 2026-06-16 19:16 UTCGHSA enrichment
  27. 2026-06-16 17:53 UTCEPSS rescore
  28. 2026-06-16 03:46 UTCEG score recompute
  29. 2026-06-16 03:46 UTCGHSA enrichment
  30. 2026-06-15 17:49 UTCEPSS rescore
  31. 2026-06-15 17:49 UTCEPSS rescore
  32. 2026-06-15 14:51 UTCEG score recompute
  33. 2026-06-15 14:50 UTCGHSA enrichment
  34. 2026-06-14 23:34 UTCEG score recompute
  35. 2026-06-14 23:34 UTCGHSA enrichment
  36. 2026-06-14 23:18 UTCEPSS rescore
  37. 2026-06-14 10:41 UTCEG score recompute
  38. 2026-06-14 10:41 UTCGHSA enrichment
  39. 2026-06-13 23:00 UTCEPSS rescore
  40. 2026-06-13 21:45 UTCEG score recompute
  41. 2026-06-13 21:45 UTCGHSA enrichment
  42. 2026-06-13 02:54 UTCEG score recompute
  43. 2026-06-13 02:54 UTCGHSA enrichment
  44. 2026-06-12 23:12 UTCEPSS rescore
  45. 2026-06-12 23:12 UTCEPSS rescore
  46. 2026-06-12 14:00 UTCEG score recompute
  47. 2026-06-12 14:00 UTCGHSA enrichment
  48. 2026-06-12 01:05 UTCEG score recompute
  49. 2026-06-12 01:05 UTCGHSA enrichment
  50. 2026-06-11 14:00 UTCEPSS rescore
  51. 2026-06-11 12:11 UTCEG score recompute
  52. 2026-06-11 12:11 UTCGHSA enrichment
  53. 2026-06-10 23:15 UTCEG score recompute
  54. 2026-06-10 23:15 UTCGHSA enrichment
  55. 2026-06-10 22:19 UTCEPSS rescore
  56. 2026-06-10 13:22 UTCEPSS rescore
  57. 2026-06-10 10:21 UTCEG score recompute
  58. 2026-06-10 10:21 UTCGHSA enrichment
  59. 2026-06-09 21:27 UTCEG score recompute
  60. 2026-06-09 21:27 UTCGHSA enrichment
  61. 2026-06-09 08:11 UTCEG score recompute
  62. 2026-06-09 08:11 UTCGHSA enrichment
  63. 2026-06-08 19:16 UTCEG score recompute
  64. 2026-06-08 19:16 UTCGHSA enrichment
  65. 2026-06-08 14:17 UTCEPSS rescore
  66. 2026-06-08 02:11 UTCEG score recompute
  67. 2026-06-08 02:11 UTCGHSA enrichment
  68. 2026-06-07 15:25 UTCEPSS rescore
  69. 2026-06-07 13:17 UTCEG score recompute
  70. 2026-06-07 13:17 UTCGHSA enrichment
  71. 2026-06-07 00:23 UTCEG score recompute
  72. 2026-06-07 00:23 UTCGHSA enrichment
  73. 2026-06-06 13:47 UTCEPSS rescore
  74. 2026-06-06 11:28 UTCEG score recompute
  75. 2026-06-06 11:28 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-9367?
CVE-2026-9367 is a high vulnerability published on May 24, 2026. A vulnerability was determined in NousResearch hermes-agent up to 5157f5427f19488b31c6fdebbacd15d798ce7f63. This affects the function detectdangerouscommand of the file tools/approval.py of the component terminal_tool. This manipulation causes os command injection. It is possible to initiate the…
When was CVE-2026-9367 disclosed?
CVE-2026-9367 was first published in the National Vulnerability Database on May 24, 2026, with the most recent update on May 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-9367 actively exploited?
CVE-2026-9367 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 74.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-9367?
CVE-2026-9367 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-9367?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9367, 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-2026-9367

Explore →

Is Your Infrastructure Affected by CVE-2026-9367?

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

Start Free Scan →Browse All CVEs