CVE-2026-18998 PUBLISHED

cosmicstack-labs mercury-agent delegate_task Tool sub-agent.ts SubAgent.run improper authorization

Assigner: VulDB
Reserved: 05.08.2026 Published: 06.08.2026 Updated: 06.08.2026

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.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CVSS Score: 5.3

Product Status

Vendor cosmicstack-labs
Product mercury-agent
Versions
  • Version 1.1.0 is affected
  • Version 1.1.1 is affected
  • Version 1.1.2 is affected
  • Version 1.1.3 is affected
  • Version 1.1.4 is affected
  • Version 1.1.5 is affected
  • Version 1.1.6 is affected
  • Version 1.1.7 is affected
  • Version 1.1.8 is affected
  • Version 1.1.9 is affected
  • Version 1.1.10 is affected
  • Version 1.1.11 is affected
  • Version 1.1.12 is affected

Credits

  • ChenMarry (VulDB User) reporter
  • VulDB CNA Team coordinator

References

Problem Types

  • Improper Authorization CWE
  • Incorrect Privilege Assignment CWE