Answer in brief
CVE-2026-15541 records a High severity (CVSS 7.3) vulnerability in will-moss Isaiah Master Websocket server.go Server.Handle authorization. The current sources do not mark it as known exploited. The current feed maps will-moss/Isaiah (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 7.3. 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 will-moss/Isaiah (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| will-moss/Isaiahgeneric | 1.36.0 || 1.36.1 || 1.36.2 || 1.36.3 || 1.36.4 || 1.36.5 || 1.36.6 || 1.36.7 || 1.36.8 || 1.36.9 | Not reported |
Published upstream
Jul 13, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 13, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 13, 2026
A flaw has been found in will-moss Isaiah up to 1.36.9. The impacted element is the function Server.Handle of the file app/server/server/server.go of the component Master Websocket Handler. Executing a manipulation of the argument Agent can lead to missing authorization. It is possible to launch the attack remotely. The pull request to fix this issue awaits acceptance.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-15541 records a High severity (CVSS 7.3) vulnerability in will-moss Isaiah Master Websocket server.go Server.Handle authorization. The current sources do not mark it as known exploited. The current feed maps will-moss/Isaiah (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 7.3. 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 will-moss/Isaiah (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| will-moss/Isaiahgeneric | 1.36.0 || 1.36.1 || 1.36.2 || 1.36.3 || 1.36.4 || 1.36.5 || 1.36.6 || 1.36.7 || 1.36.8 || 1.36.9 | Not reported |
Published upstream
Jul 13, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Jul 13, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jul 13, 2026
A flaw has been found in will-moss Isaiah up to 1.36.9. The impacted element is the function Server.Handle of the file app/server/server/server.go of the component Master Websocket Handler. Executing a manipulation of the argument Agent can lead to missing authorization. It is possible to launch the attack remotely. The pull request to fix this issue awaits acceptance.
Quoted source text, attributed separately from HOL analysis.