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 incorrect authorization. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

CVSS 4.0

2.1CVSS: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 3.1

6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS

0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-10-25)

CWEs

CWE-285, CWE-863

Published

2026-08-06

Modified

2026-10-23

Record from

the NVD, synced 2026-10-24

References

• https://github.com/cosmicstack-labs/mercury-agent/
• https://github.com/cosmicstack-labs/mercury-agent/issues/73
• https://vuldb.com/cve/CVE-2026-18997
• https://vuldb.com/submit/862627
• https://vuldb.com/vuln/386380

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