Answer in brief
CVE-2026-18998 records a Medium severity (CVSS 6.3) vulnerability in cosmicstack-labs mercury-agent delegate_task Tool sub-agent.ts SubAgent.run improper authorization. The current sources do not mark it as known exploited. The current feed maps cosmicstack-labs/mercury-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 cosmicstack-labs/mercury-agent (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| cosmicstack-labs/mercury-agentgeneric | 1.1.0 || 1.1.1 || 1.1.2 || 1.1.3 || 1.1.4 || 1.1.5 || 1.1.6 || 1.1.7 || 1.1.8 || 1.1.9 || 1.1.10 || 1.1.11 || 1.1.12 | Not reported |
Published upstream
Aug 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 6, 2026
A vulnerability was determined in cosmicstack-labs mercury-agent up to 1.1.12. Impacted is the function SubAgent.run of the file src/core/sub-agent.ts of the component delegate_task Tool. Executing a manipulation can lead to improper authorization. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-18998 records a Medium severity (CVSS 6.3) vulnerability in cosmicstack-labs mercury-agent delegate_task Tool sub-agent.ts SubAgent.run improper authorization. The current sources do not mark it as known exploited. The current feed maps cosmicstack-labs/mercury-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 cosmicstack-labs/mercury-agent (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| cosmicstack-labs/mercury-agentgeneric | 1.1.0 || 1.1.1 || 1.1.2 || 1.1.3 || 1.1.4 || 1.1.5 || 1.1.6 || 1.1.7 || 1.1.8 || 1.1.9 || 1.1.10 || 1.1.11 || 1.1.12 | Not reported |
Published upstream
Aug 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 6, 2026
A vulnerability was determined in cosmicstack-labs mercury-agent up to 1.1.12. Impacted is the function SubAgent.run of the file src/core/sub-agent.ts of the component delegate_task Tool. Executing a manipulation can lead to improper authorization. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Quoted source text, attributed separately from HOL analysis.