CVE-2026-10220

HIGHPre-NVD 7.37.3
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory published 2026-06-01. a secondary CVSS source baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this weekElevated
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.3Exploit: Elevated riskExposed: 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 2026.4.30. Affected is the function _serve_plugin_skill/skill_view of the file tools/skills_tool.py. Executing a manipulation can lead to injection. The attack may be performed from remote. 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)
EG Risk
64(Attend)
EG Risk 64/100SSVC: Attend

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
Severity73% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
23%
KEV
Not listed

Published

June 1, 2026

Last Modified

July 22, 2026

Advisory Details (1)

Auto-updated Jun 11, 2026
No patch confirmed yet.
generic

Prompt Injection Filter Bypass in skills_tool.py via Multi-Word Payload Variants · GitHub

https://gist.github.com/YLChen-007/9dd399c6f75b31fa741a613dfd41de08

Vendor Advisories for CVE-2026-10220(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 12× in last 7d / 52× 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. 2026-07-27 14:13 UTCEPSS rescore
  2. 2026-07-27 02:40 UTCEG score recompute
  3. 2026-07-27 02:40 UTCGHSA enrichment
  4. 2026-07-26 14:54 UTCEPSS rescore
  5. 2026-07-26 14:54 UTCEPSS rescore
  6. 2026-07-25 14:17 UTCEPSS rescore
  7. 2026-07-24 14:17 UTCEPSS rescore
  8. 2026-07-23 14:18 UTCEPSS rescore
  9. 2026-07-23 03:04 UTCEG score recompute
  10. 2026-07-22 14:08 UTCEPSS rescore
  11. 2026-07-22 07:21 UTCNVD updateCVSS v4 → 5.5
  12. 2026-07-21 15:24 UTCEPSS rescore
  13. 2026-07-20 17:08 UTCEPSS rescore
  14. 2026-07-19 14:30 UTCEPSS rescore
  15. 2026-07-19 02:28 UTCEPSS rescore
  16. 2026-07-18 10:04 UTCEPSS rescore
  17. 2026-07-16 17:02 UTCEPSS rescore
  18. 2026-07-16 01:38 UTCGHSA enrichment
  19. 2026-07-15 16:57 UTCEPSS rescore
  20. 2026-07-15 02:00 UTCEPSS rescore
  21. 2026-07-14 13:27 UTCGHSA enrichment
  22. 2026-07-13 22:30 UTCEPSS rescore
  23. 2026-07-13 06:12 UTCEPSS rescore
  24. 2026-07-12 05:46 UTCEPSS rescore
  25. 2026-07-12 02:47 UTCGHSA enrichment
Show 75 more
  1. 2026-07-11 13:53 UTCGHSA enrichment
  2. 2026-07-11 08:27 UTCEPSS rescore
  3. 2026-07-09 19:10 UTCEPSS rescore
  4. 2026-07-08 17:07 UTCGHSA enrichment
  5. 2026-07-08 15:15 UTCEPSS rescore
  6. 2026-07-08 15:15 UTCEPSS rescore
  7. 2026-07-07 13:46 UTCEPSS rescore
  8. 2026-07-06 16:27 UTCEPSS rescore
  9. 2026-07-06 02:23 UTCEPSS rescore
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-05 02:30 UTCEPSS rescore
  12. 2026-07-04 06:31 UTCEPSS rescore
  13. 2026-07-02 15:50 UTCGHSA enrichment
  14. 2026-07-02 02:37 UTCGHSA enrichment
  15. 2026-07-01 15:06 UTCEPSS rescore
  16. 2026-07-01 15:06 UTCEPSS rescore
  17. 2026-07-01 13:30 UTCGHSA enrichment
  18. 2026-07-01 00:56 UTCGHSA enrichment
  19. 2026-06-30 23:22 UTCEPSS rescore
  20. 2026-06-30 00:41 UTCGHSA enrichment
  21. 2026-06-29 14:06 UTCEPSS rescore
  22. 2026-06-29 11:59 UTCGHSA enrichment
  23. 2026-06-28 18:29 UTCGHSA enrichment
  24. 2026-06-28 14:07 UTCEPSS rescore
  25. 2026-06-28 05:55 UTCGHSA enrichment
  26. 2026-06-28 04:56 UTCEPSS rescore
  27. 2026-06-28 04:56 UTCEPSS rescore
  28. 2026-06-27 17:11 UTCGHSA enrichment
  29. 2026-06-27 04:36 UTCGHSA enrichment
  30. 2026-06-27 03:08 UTCEPSS rescore
  31. 2026-06-26 16:01 UTCGHSA enrichment
  32. 2026-06-25 18:20 UTCGHSA enrichment
  33. 2026-06-25 13:49 UTCEPSS rescore
  34. 2026-06-25 05:45 UTCGHSA enrichment
  35. 2026-06-24 15:04 UTCGHSA enrichment
  36. 2026-06-24 14:05 UTCEPSS rescore
  37. 2026-06-24 02:21 UTCGHSA enrichment
  38. 2026-06-23 21:32 UTCEPSS rescore
  39. 2026-06-22 14:25 UTCEPSS rescore
  40. 2026-06-22 14:25 UTCEPSS rescore
  41. 2026-06-21 14:56 UTCEPSS rescore
  42. 2026-06-21 14:56 UTCEPSS rescore
  43. 2026-06-21 01:59 UTCEPSS rescore
  44. 2026-06-21 01:59 UTCEPSS rescore
  45. 2026-06-19 19:25 UTCEPSS rescore
  46. 2026-06-18 22:11 UTCGHSA enrichment
  47. 2026-06-18 17:52 UTCEPSS rescore
  48. 2026-06-17 23:35 UTCGHSA enrichment
  49. 2026-06-17 17:53 UTCEPSS rescore
  50. 2026-06-17 10:44 UTCGHSA enrichment
  51. 2026-06-16 21:41 UTCGHSA enrichment
  52. 2026-06-16 17:52 UTCEPSS rescore
  53. 2026-06-16 09:07 UTCGHSA enrichment
  54. 2026-06-15 20:24 UTCGHSA enrichment
  55. 2026-06-15 17:48 UTCEPSS rescore
  56. 2026-06-15 07:48 UTCGHSA enrichment
  57. 2026-06-14 23:18 UTCEPSS rescore
  58. 2026-06-14 19:14 UTCGHSA enrichment
  59. 2026-06-14 06:39 UTCGHSA enrichment
  60. 2026-06-13 23:00 UTCEPSS rescore
  61. 2026-06-13 23:00 UTCEPSS rescore
  62. 2026-06-13 18:03 UTCGHSA enrichment
  63. 2026-06-13 05:02 UTCGHSA enrichment
  64. 2026-06-12 23:12 UTCEPSS rescore
  65. 2026-06-12 16:27 UTCGHSA enrichment
  66. 2026-06-12 03:51 UTCGHSA enrichment
  67. 2026-06-11 15:17 UTCGHSA enrichment
  68. 2026-06-11 14:00 UTCEPSS rescore
  69. 2026-06-11 02:42 UTCGHSA enrichment
  70. 2026-06-10 22:18 UTCEPSS rescore
  71. 2026-06-10 14:08 UTCGHSA enrichment
  72. 2026-06-10 13:22 UTCEPSS rescore
  73. 2026-06-10 01:33 UTCGHSA enrichment
  74. 2026-06-09 12:59 UTCGHSA enrichment
  75. 2026-06-09 00:25 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-10220?
CVE-2026-10220 is a high vulnerability published on June 1, 2026. A vulnerability was determined in NousResearch hermes-agent up to 2026.4.30. Affected is the function servepluginskill/skillview of the file tools/skills_tool.py. Executing a manipulation can lead to injection. The attack may be performed from remote. The exploit has been publicly disclosed and may…
When was CVE-2026-10220 disclosed?
CVE-2026-10220 was first published in the National Vulnerability Database on June 1, 2026, with the most recent update on July 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-10220 actively exploited?
CVE-2026-10220 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 77.3% of all scored CVEs.
What is the CVSS score of CVE-2026-10220?
CVE-2026-10220 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-10220?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-10220, 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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