VDB-386459 · Submit #863829 · CVE-2026-19040

MissionSquad mcp-api up to 1.11.9 dcrClients.ts server-side request forgery

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.7	$0-$5k	2.84-

Summaryinfo

A vulnerability has been found in MissionSquad mcp-api up to 1.11.9 and classified as critical. The impacted element is an unknown function of the file src/services/dcrClients.ts. The manipulation leads to server-side request forgery. This vulnerability is traded as CVE-2026-19040. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in MissionSquad mcp-api up to 1.11.9. It has been rated as critical. This issue affects an unknown part of the file src/services/dcrClients.ts. The manipulation with an unknown input leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Impacted is confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-19040. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a exploit are known.

It is declared as proof-of-concept.

Upgrading to version 1.11.10 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch f068ab4ad6f0907ac7001b995588c2673f11a755 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.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Artificial Intelligence Software

Vendor

MissionSquad

Name

mcp-api

Version

License

open-source

Website

Product: https://github.com/MissionSquad/mcp-api/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
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 Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: mcp-api 1.11.10
Patch: f068ab4ad6f0907ac7001b995588c2673f11a755

Timelineinfo

08/06/2026 Advisory disclosed
08/06/2026 +0 days VulDB entry created
08/06/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 42
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-19040 (🔒)
GCVE (CVE): GCVE-0-2026-19040
GCVE (VulDB): GCVE-100-386459
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/06/2026 08:06
Changes: 08/06/2026 08:06 (61)
Complete: 🔍
Submitter: gongyanyu
Cache ID: 216::103

Submitinfo

Accepted

Submit #863829: MissionSquad mcp-api unknown Server-Side Request Forgery (by gongyanyu)