PhialsBasement KoboldCPP-MCP-Server 1.0.0 BaseConfigSchema src/index.ts makeRequest apiUrl server-side request forgery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k1.22

Summaryinfo

A vulnerability has been found in PhialsBasement KoboldCPP-MCP-Server 1.0.0 and classified as critical. This affects the function makeRequest of the file src/index.ts of the component BaseConfigSchema. The manipulation of the argument apiUrl leads to server-side request forgery. This vulnerability is uniquely identified as CVE-2026-19373. Local access is required to approach this attack. Moreover, an exploit is present. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability was found in PhialsBasement KoboldCPP-MCP-Server 1.0.0 and classified as critical. This issue affects the function makeRequest of the file src/index.ts of the component BaseConfigSchema. The manipulation of the argument apiUrl 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.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-19373. The exploitation is known to be easy. An attack has to be approached locally. Technical details as well as a exploit are known.

It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/09/2026 Advisory disclosed
08/09/2026 +0 days VulDB entry created
08/09/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2026-19373 (🔒)
GCVE (CVE): GCVE-0-2026-19373
GCVE (VulDB): GCVE-100-387257
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/09/2026 09:31
Changes: 08/09/2026 09:31 (58)
Complete: 🔍
Submitter: gongyanyu05
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #866271: PhialsBasement KoboldCPP-MCP-Server 1.0.0 Server-Side Request Forgery (by gongyanyu05)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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