cosmicstack-labs mercury-agent Shell Command Permission Check permissions.ts PermissionManager.checkShellCommand improper authorization

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-90810
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-14 19:18:11 UTC
Updated2026-09-14 20:56:48 UTC
DescriptionA security flaw has been discovered in cosmicstack-labs mercury-agent up to 1.1.13. The impacted element is the function PermissionManager.checkShellCommand of the file mercury-agent/src/capabilities/permissions.ts of the component Shell Command Permission Check. Performing a manipulation results in improper authorization. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Risk And Classification

Primary CVSS: v4.0 2.1 LOW from [email protected]

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

Problem Types: CWE-266 | CWE-285 | CWE-285 Improper Authorization | CWE-266 Incorrect Privilege Assignment

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary2.1LOWCVSS: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/C...
4.0CNADECLARED5.3MEDIUMCVSS: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
3.1[email protected]Primary6.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
3.1CNADECLARED6.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
3.0CNADECLARED6.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
2.0[email protected]Secondary6.5AV:N/AC:L/Au:S/C:P/I:P/A:P
2.0CNADECLARED6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

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

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

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

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Cosmicstack-labs Mercury-agent affected 1.1.0 Not specified
CNA Cosmicstack-labs Mercury-agent affected 1.1.1 Not specified
CNA Cosmicstack-labs Mercury-agent affected 1.1.2 Not specified
CNA Cosmicstack-labs Mercury-agent affected 1.1.3 Not specified
CNA Cosmicstack-labs Mercury-agent affected 1.1.4 Not specified
CNA Cosmicstack-labs Mercury-agent affected 1.1.5 Not specified
CNA Cosmicstack-labs Mercury-agent affected 1.1.6 Not specified
CNA Cosmicstack-labs Mercury-agent affected 1.1.7 Not specified
CNA Cosmicstack-labs Mercury-agent affected 1.1.8 Not specified
CNA Cosmicstack-labs Mercury-agent affected 1.1.9 Not specified
CNA Cosmicstack-labs Mercury-agent affected 1.1.10 Not specified
CNA Cosmicstack-labs Mercury-agent affected 1.1.11 Not specified
CNA Cosmicstack-labs Mercury-agent affected 1.1.12 Not specified
CNA Cosmicstack-labs Mercury-agent affected 1.1.13 Not specified

References

ReferenceSourceLinkTags
github.com/cosmicstack-labs/mercury-agent [email protected] github.com
vuldb.com/submit/922876 [email protected] vuldb.com
github.com/cosmicstack-labs/mercury-agent/issues/101 [email protected] github.com
vuldb.com/vuln/403312/cti [email protected] vuldb.com
vuldb.com/vuln/403312 [email protected] vuldb.com
vuldb.com/cve/CVE-2026-90810 [email protected] vuldb.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Eric-a (VulDB User) (en)

CNA: VulDB CNA Team (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-09-13T00:00:00.000ZAdvisory disclosed
CNA2026-09-13T02:00:00.000ZVulDB entry created
CNA2026-09-13T18:35:00.000ZVulDB entry last update

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