angrysky56 advanced-reasoning-mcp 1.0.0 src/index.ts path traversal

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-$5k2.79

Summaryinfo

A vulnerability categorized as critical has been discovered in angrysky56 advanced-reasoning-mcp 1.0.0. This affects the function create_system_json/create_library to get_system_json/switch_memory_library of the file src/index.ts. Such manipulation leads to path traversal. This vulnerability is traded as CVE-2026-19330. An attack has to be approached locally. Furthermore, there is an exploit available. The project was informed of the problem early through an issue report but has not responded yet.

Detailsinfo

A vulnerability, which was classified as critical, has been found in angrysky56 advanced-reasoning-mcp 1.0.0. Affected by this issue is the function create_system_json/create_library to get_system_json/switch_memory_library of the file src/index.ts. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-19330. The exploitation is known to be easy. The attack needs to be approached locally. Technical details as well as a exploit are known. The MITRE ATT&CK project declares the attack technique as T1006.

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.

Once again VulDB remains the best source for 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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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
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

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

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2026-19330 (🔒)
GCVE (CVE): GCVE-0-2026-19330
GCVE (VulDB): GCVE-100-387164
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/08/2026 11:35
Changes: 08/08/2026 11:35 (56)
Complete: 🔍
Submitter: gongyanyu03
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #865248: angrysky56 advanced-reasoning-mcp unknown Path Traversal (by gongyanyu03)

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