AUGUST 16, 2026
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Case File

CVE-2026-18998

MEDIUM · CVSS 6.3 EPSS 0.21% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-06 · Last synced 2026-08-16

CyberRota Analysis

AI-Generated

The vulnerability in cosmicstack-labs mercury-agent affects the SubAgent.run function, allowing for improper authorization due to manipulation of the delegate_task Tool. This issue can be exploited remotely, posing a risk to systems using versions up to 1.1.12. Organizations utilizing this software should prioritize remediation efforts, especially given the public disclosure of the exploit.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-18998
Severity
MEDIUM
CVSS
6.3
EPSS
0.21%

Original NVD 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.