Answer in brief
CVE-2026-14626 records a Medium severity (CVSS 4.3) vulnerability in NousResearch hermes-agent HTTP API run_agent.py AIAgent.run_conversation denial of service. The current sources do not mark it as known exploited. The current feed maps NousResearch/hermes-agent (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 4.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps NousResearch/hermes-agent (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| NousResearch/hermes-agentgeneric | 2026.4.0 || 2026.4.1 || 2026.4.2 || 2026.4.3 || 2026.4.4 || 2026.4.5 || 2026.4.6 || 2026.4.7 || 2026.4.8 || 2026.4.9 || 2026.4.10 || 2026.4.11 || 2026.4.12 || 2026.4.13 || 2026.4.14 || 2026.4.15 || 2026.4.16 || 2026.4.17 || 2026.4.18 || 2026.4.19 || 2026.4.20 || 2026.4.21 || 2026.4.22 || 2026.4.23 || 2026.4.24 || 2026.4.25 || 2026.4.26 || 2026.4.27 || 2026.4.28 || 2026.4.29 || 2026.4.30 | Not reported |
Published upstream
Jul 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 7, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 6, 2026
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.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-14626 records a Medium severity (CVSS 4.3) vulnerability in NousResearch hermes-agent HTTP API run_agent.py AIAgent.run_conversation denial of service. The current sources do not mark it as known exploited. The current feed maps NousResearch/hermes-agent (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 4.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps NousResearch/hermes-agent (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| NousResearch/hermes-agentgeneric | 2026.4.0 || 2026.4.1 || 2026.4.2 || 2026.4.3 || 2026.4.4 || 2026.4.5 || 2026.4.6 || 2026.4.7 || 2026.4.8 || 2026.4.9 || 2026.4.10 || 2026.4.11 || 2026.4.12 || 2026.4.13 || 2026.4.14 || 2026.4.15 || 2026.4.16 || 2026.4.17 || 2026.4.18 || 2026.4.19 || 2026.4.20 || 2026.4.21 || 2026.4.22 || 2026.4.23 || 2026.4.24 || 2026.4.25 || 2026.4.26 || 2026.4.27 || 2026.4.28 || 2026.4.29 || 2026.4.30 | Not reported |
Published upstream
Jul 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 7, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 6, 2026
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.
Quoted source text, attributed separately from HOL analysis.