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P4

CVE-2026-18998: mercury-agent 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

CVE-2026-18998. CVSS 3.1 base score 6.3 (MEDIUM, Vendor/CNA). EPSS 0.00366 (percentile 0.29246), scored 22-Oct-2026.

Affected technology

mercury-agent · 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
cosmicstack-labs

Description’s affected range: up to 1.1.12

Component: delegate_task Tool
Function: SubAgent.run
File: src/core/sub-agent.ts

Attack conditions (VulDB, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

VulDB’s CVSS 4.0 assessment (base score 2.1/10) rates confidentiality, integrity and availability impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

CWE
CWE-266, CWE-285
CCR priority
25.3 /100 (P4)
CVSS 3.1
6.3 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L · Vendor/CNA
EPSS
0.00366 · percentile 0.29246 · 2026-10-22
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-18998.html