What is CVE-2026-18997?

CVE-2026-18997 is a medium-severity vulnerability in Cosmicstack-labs Mercury-agent, classified under Improper Authorization. CVSS score: 6.3/10. Published 2026-08-06.

How severe is CVE-2026-18997?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Auth bypass in Cosmicstack-labs Mercury-agent

CVE-2026-18997

A vulnerability was found in cosmicstack-labs mercury-agent up to 1.1.12. This issue affects the function Agent.handleBgCommand of the file src/core/agent.ts of the component bg Command Handler. Performing a manipulation results in incorre…

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Cosmicstack-labs Mercury-agent — versions 1.1.0, 1.1.1, 1.1.2

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-18997?: CVE-2026-18997 is a medium-severity vulnerability in Cosmicstack-labs Mercury-agent, classified under Improper Authorization. CVSS score: 6.3/10. Published 2026-08-06.
How severe is CVE-2026-18997?: Medium severity. CVSS v3 base score is 6.3 out of 10.