MissionSquad mcp-api up to 1.11.8 NPM Package Version packages.ts this.packageService.installPackage command injection
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.7 | $0-$5k | 1.41 |
Summary
A vulnerability was found in MissionSquad mcp-api up to 1.11.8 and classified as critical. This affects the function this.packageService.installPackage of the file src/controllers/packages.ts of the component NPM Package Version Handler. The manipulation results in command injection.
This vulnerability is known as CVE-2026-19041. It is possible to launch the attack remotely. Furthermore, an exploit is available.
It is suggested to upgrade the affected component.
Details
A vulnerability classified as critical has been found in MissionSquad mcp-api up to 1.11.8. Affected is the function this.packageService.installPackage of the file src/controllers/packages.ts of the component NPM Package Version Handler. The manipulation with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability.
The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-19041. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details and a exploit are known. The MITRE ATT&CK project declares the attack technique as T1202.
It is declared as proof-of-concept.
Upgrading to version 1.11.9 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch a40f54d4533ba6618e1749383a245900eeb024c1 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 5.7
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Command injectionCWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: mcp-api 1.11.9
Patch: a40f54d4533ba6618e1749383a245900eeb024c1
Timeline
08/06/2026 Advisory disclosed08/06/2026 VulDB entry created
08/06/2026 VulDB entry last update
Sources
Product: github.comAdvisory: github.com
Status: Confirmed
Confirmation: 🔒
CVE: CVE-2026-19041 (🔒)
GCVE (CVE): GCVE-0-2026-19041
GCVE (VulDB): GCVE-100-386460
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 08/06/2026 08:06Changes: 08/06/2026 08:06 (62)
Complete: 🔍
Submitter: gongyanyu
Cache ID: 216::103
Submit
Accepted
- Submit #863830: MissionSquad mcp-api unknown Command Injection (by gongyanyu)
Once again VulDB remains the best source for vulnerability data.
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