A vulnerability has been found in cosmicstack-labs mercury-agent up to 1.1.12. This vulnerability affects the function PermissionManager.checkShellCommand of the file src/capabilities/permissions.ts of the component run_command Handler. Such manipulation leads to incorrect privilege assignment. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00245.

Exploitation poc

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
cosmicstack-labs mercury-agent affected
Version Status Constraints
1.1.0 affected —
1.1.1 affected —
1.1.2 affected —
1.1.3 affected —
1.1.4 affected —
1.1.5 affected —
1.1.6 affected —
1.1.7 affected —
1.1.8 affected —
1.1.9 affected —
1.1.10 affected —
1.1.11 affected —
1.1.12 affected —

No data.

No data.

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Vendors Products
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Mercury-agent Subscribe

Project Subscriptions

Vendors Products
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Mercury-agent Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/cosmicstack-labs/mercury-agent/ cve-icon
https://github.com/cosmicstack-labs/mercury-agent/issues/72 cve-icon
https://vuldb.com/cve/CVE-2026-18996 cve-icon
https://vuldb.com/submit/862625 cve-icon
https://vuldb.com/submit/862630 cve-icon
https://vuldb.com/submit/862636 cve-icon
https://vuldb.com/submit/862637 cve-icon
https://vuldb.com/vuln/386379 cve-icon
https://vuldb.com/vuln/386379/cti cve-icon
History

Thu, 06 Aug 2026 13:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 06 Aug 2026 04:30:00 +0000

Type Values Removed Values Added
Description A vulnerability has been found in cosmicstack-labs mercury-agent up to 1.1.12. This vulnerability affects the function PermissionManager.checkShellCommand of the file src/capabilities/permissions.ts of the component run_command Handler. Such manipulation leads to incorrect privilege assignment. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Title cosmicstack-labs mercury-agent run_command permissions.ts PermissionManager.checkShellCommand privileges assignment
First Time appeared Cosmicstack-labs
Cosmicstack-labs mercury-agent
Weaknesses CWE-266
CPEs cpe:2.3:a:cosmicstack-labs:mercury-agent:*:*:*:*:*:*:*:*
Vendors & Products Cosmicstack-labs
Cosmicstack-labs mercury-agent
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.3, '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-08-06T12:13:14.698Z

Reserved: 2026-08-05T19:41:31.033Z

Link: CVE-2026-18996

cve-icon Vulnrichment

Updated: 2026-08-06T12:12:57.540Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-07T10:04:45Z

Weaknesses