Vulnerability Description
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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/cosmicstack-labs/mercury-agent/
- https://github.com/cosmicstack-labs/mercury-agent/issues/74
- https://vuldb.com/cve/CVE-2026-18998
- https://vuldb.com/submit/862628
- https://vuldb.com/submit/862629
- https://vuldb.com/vuln/386381
- https://vuldb.com/vuln/386381/cti
FAQ
What is CVE-2026-18998?
CVE-2026-18998 is a vulnerability with a CVSS score of 6.3 (MEDIUM). 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 ...
How severe is CVE-2026-18998?
CVE-2026-18998 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-18998?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.