Answer in brief
CVE-2026-18774 records a Medium severity (CVSS 6.3) vulnerability in NousResearch hermes-agent xAI Image Generation Provider image_gen_provider.py save_url_image server-side request forgery. 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 6.3. 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 | 0.1 || 0.2 || 0.3 || 0.4 || 0.5 || 0.6 || 0.7 || 0.8 || 0.9 || 0.10 || 0.11 || 0.12 || 0.13 || 0.14 || 0.15 || 0.16.0 | Not reported |
Published upstream
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
A flaw has been found in NousResearch hermes-agent up to 0.16.0. This affects the function save_url_image of the file agent/image_gen_provider.py of the component xAI Image Generation Provider. This manipulation causes server-side request forgery. The attack may be initiated remotely. The exploit has been published and may be used. 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-2026-18774 records a Medium severity (CVSS 6.3) vulnerability in NousResearch hermes-agent xAI Image Generation Provider image_gen_provider.py save_url_image server-side request forgery. 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 6.3. 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 | 0.1 || 0.2 || 0.3 || 0.4 || 0.5 || 0.6 || 0.7 || 0.8 || 0.9 || 0.10 || 0.11 || 0.12 || 0.13 || 0.14 || 0.15 || 0.16.0 | Not reported |
Published upstream
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
A flaw has been found in NousResearch hermes-agent up to 0.16.0. This affects the function save_url_image of the file agent/image_gen_provider.py of the component xAI Image Generation Provider. This manipulation causes server-side request forgery. The attack may be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Quoted source text, attributed separately from HOL analysis.