CVE-2026-14626

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH 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 — 5 sources updated this weekElevated
4.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 4.3Exploit: NoneExposed: 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(high)
EPSS
19.5%
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 11× in last 7d / 11× 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. 2026-07-07 05:54 UTCNVD updateCVSS v4 → 2.1
  2. 2026-07-07 03:31 UTCMITRE cvelistV5CVSS v4 → 5.3
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 11:04 UTCEG score recompute
  5. 2026-07-06 11:04 UTCGHSA enrichment
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-05 11:40 UTCEG score recompute
  8. 2026-07-05 11:40 UTCGHSA enrichment
  9. 2026-07-04 12:27 UTCNVD updateCVSS v4 → 2.1
  10. 2026-07-04 12:17 UTCEG score recompute
  11. 2026-07-04 12:16 UTCMITRE cvelistV5first tracked

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 19.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
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.

Dependency Blast Radius

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