MissionSquad mcp-api NPM Package Version packages.ts this.packageService.installPackage command injection

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-19041
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-06 14:16:36 UTC
Updated2026-10-23 21:10:00 UTC
DescriptionA vulnerability has been found in MissionSquad mcp-api up to 1.11.8. The impacted element is the function this.packageService.installPackage of the file src/controllers/packages.ts of the component NPM Package Version Handler. The manipulation leads to command injection. It is possible to initiate the attack remotely. Upgrading to version 1.11.9 is sufficient to resolve this issue. The identifier of the patch is a40f54d4533ba6618e1749383a245900eeb024c1. The affected component should be upgraded.

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

EPSS: 0.021210000 probability, percentile 0.817470000 (date 2026-10-23)

Problem Types: CWE-74 | CWE-77 | CWE-77 Command Injection | CWE-74 Injection

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]Secondary6.3MEDIUMCVSS: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:O/RC:C
3.0CNADECLARED6.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
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:OF/RC:C

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:O/RC:C

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA MissionSquad Mcp-api affected 1.11.0 Not specified
CNA MissionSquad Mcp-api affected 1.11.1 Not specified
CNA MissionSquad Mcp-api affected 1.11.2 Not specified
CNA MissionSquad Mcp-api affected 1.11.3 Not specified
CNA MissionSquad Mcp-api affected 1.11.4 Not specified
CNA MissionSquad Mcp-api affected 1.11.5 Not specified
CNA MissionSquad Mcp-api affected 1.11.6 Not specified
CNA MissionSquad Mcp-api affected 1.11.7 Not specified
CNA MissionSquad Mcp-api affected 1.11.8 Not specified
CNA MissionSquad Mcp-api unaffected 1.11.9 Not specified

References

ReferenceSourceLinkTags
github.com/MissionSquad/mcp-api/releases/tag/v1.11.9 [email protected] github.com
github.com/MissionSquad/mcp-api/issues/41 [email protected] github.com
github.com/MissionSquad/mcp-api/pull/44 [email protected] github.com
vuldb.com/submit/863830 [email protected] vuldb.com
github.com/MissionSquad/mcp-api/commit/a40f54d4533ba6618e1749383a245900e... [email protected] github.com
github.com/MissionSquad/mcp-api [email protected] github.com
vuldb.com/vuln/386460/cti [email protected] vuldb.com
vuldb.com/vuln/386460 [email protected] vuldb.com
vuldb.com/cve/CVE-2026-19041 [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: gongyanyu (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-08-06T00:00:00.000ZAdvisory disclosed
CNA2026-08-06T02:00:00.000ZVulDB entry created
CNA2026-08-06T08:06:59.000ZVulDB entry last update

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