CVE-2026-14626

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory (severity: LOW) published 2026-07-04. a secondary CVSS source baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: Elevated riskExposed: 0

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

A weakness has been identified in NousResearch hermes-agent up to 2026.4.30. The impacted element is the function AIAgent.run_conversation of the file run_agent.py of the component HTTP API. This manipulation of the argument todos causes denial of service. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS v3
4.3
EG Score
4.3(medium)
EG Risk
35(Track)
EG Risk 35/100SSVC: 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
Severity43% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
39%
KEV
Not listed

Published

July 4, 2026

Last Modified

July 7, 2026

Advisory Details (1)

Auto-updated Jul 4, 2026
No patch confirmed yet.
generic

Hermes Agent API Server allows forged todo-tool history hydration that can exhaust session context · GitHub

https://gist.github.com/YLChen-007/b91a85f9448beadebe25d37a3f4fd760

Vendor Advisories for CVE-2026-14626(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 58× 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 152 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-14626?
CVE-2026-14626 is a medium vulnerability published on July 4, 2026. A weakness has been identified in NousResearch hermes-agent up to 2026.4.30. The impacted element is the function AIAgent.runconversation of the file runagent.py of the component HTTP API. This manipulation of the argument todos causes denial of service. The attack can be initiated remotely. The…
When was CVE-2026-14626 disclosed?
CVE-2026-14626 was first published in the National Vulnerability Database on July 4, 2026, with the most recent update on July 7, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-14626 actively exploited?
CVE-2026-14626 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 60.7% of all scored CVEs.
What is the CVSS score of CVE-2026-14626?
CVE-2026-14626 has a CVSS v3 base score of 4.3 (NVD).
How do I remediate CVE-2026-14626?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-14626, 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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