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 v3 6.3 MEDIUM
CVSS v2.0 6.5 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
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
https://vuldb.com/vuln/386380/cti

Configurations

No configuration.

History

23 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Se encontró una vulnerabilidad en cosmicstack-labs mercury-agent hasta 1.1.12. Este problema afecta a la función Agent.handleBgCommand del archivo src/core/agent.ts del componente Gestor de Comandos bg. Realizar una manipulación resulta en una autorización incorrecta. Es posible iniciar el ataque de forma remota. El exploit se ha hecho público y podría ser utilizado. El proyecto fue informado del problema tempranamente a través de un informe de problema, pero aún no ha respondido.

Information

Published : 2026-08-06 06:16

Updated : 2026-10-23 21:10

NVD link : CVE-2026-18997

Mitre link : CVE-2026-18997

CVE.ORG link : CVE-2026-18997

JSON object : View

Products Affected

No product.

CWE

CWE-285

Improper Authorization

CWE-863

Incorrect Authorization

{"id": "CVE-2026-18997", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-18997", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-06T14:54:19.742914Z"}}], "cvssMetricV2": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"version": "2.0", "baseScore": 6.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "cna@vuldb.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 2.1, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "LOW", "valueDensity": "NOT_DEFINED", "vectorString": "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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "PROOF_OF_CONCEPT", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "cna@vuldb.com", "affectedData": [{"cpes": ["cpe:2.3:a:cosmicstack-labs:mercury-agent:*:*:*:*:*:*:*:*"], "vendor": "cosmicstack-labs", "modules": ["bg Command Handler"], "product": "mercury-agent", "versions": [{"status": "affected", "version": "1.1.0"}, {"status": "affected", "version": "1.1.1"}, {"status": "affected", "version": "1.1.2"}, {"status": "affected", "version": "1.1.3"}, {"status": "affected", "version": "1.1.4"}, {"status": "affected", "version": "1.1.5"}, {"status": "affected", "version": "1.1.6"}, {"status": "affected", "version": "1.1.7"}, {"status": "affected", "version": "1.1.8"}, {"status": "affected", "version": "1.1.9"}, {"status": "affected", "version": "1.1.10"}, {"status": "affected", "version": "1.1.11"}, {"status": "affected", "version": "1.1.12"}]}]}], "published": "2026-08-06T06:16:32.557", "references": [{"url": "https://github.com/cosmicstack-labs/mercury-agent/", "source": "cna@vuldb.com"}, {"url": "https://github.com/cosmicstack-labs/mercury-agent/issues/73", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/cve/CVE-2026-18997", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/submit/862627", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/vuln/386380", "source": "cna@vuldb.com"}, {"url": "https://vuldb.com/vuln/386380/cti", "source": "cna@vuldb.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "cna@vuldb.com", "description": [{"lang": "en", "value": "CWE-285"}, {"lang": "en", "value": "CWE-863"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en cosmicstack-labs mercury-agent hasta 1.1.12. Este problema afecta a la funci\u00f3n Agent.handleBgCommand del archivo src/core/agent.ts del componente Gestor de Comandos bg. Realizar una manipulaci\u00f3n resulta en una autorizaci\u00f3n incorrecta. Es posible iniciar el ataque de forma remota. El exploit se ha hecho p\u00fablico y podr\u00eda ser utilizado. El proyecto fue informado del problema tempranamente a trav\u00e9s de un informe de problema, pero a\u00fan no ha respondido."}], "lastModified": "2026-10-23T21:10:00.157", "sourceIdentifier": "cna@vuldb.com"}