Pimzino spec-workflow-mcp up to 2.2.6 src/tools/approvals.ts ApprovalStorage.createApproval categoryName path traversal

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k1.70

Summaryinfo

A vulnerability, which was classified as critical, was found in Pimzino spec-workflow-mcp up to 2.2.6. Impacted is the function ApprovalStorage.createApproval of the file src/tools/approvals.ts. Executing a manipulation of the argument categoryName can lead to path traversal. This vulnerability is tracked as CVE-2026-19336. The attack is restricted to local execution. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Pimzino spec-workflow-mcp up to 2.2.6. This vulnerability affects the function ApprovalStorage.createApproval of the file src/tools/approvals.ts. The manipulation of the argument categoryName with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-19336. The exploitation appears to be easy. The attack needs to be approached locally. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 2.2.7 eliminates this vulnerability. Applying the patch 9c7a7839e690bb4543f0e7481b5740d23808e5fe 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.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: spec-workflow-mcp 2.2.7
Patch: 9c7a7839e690bb4543f0e7481b5740d23808e5fe

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: Confirmed
Confirmation: 🔒

CVE: CVE-2026-19336 (🔒)
GCVE (CVE): GCVE-0-2026-19336
GCVE (VulDB): GCVE-100-387172

Entryinfo

Created: 08/08/2026 12:01
Changes: 08/08/2026 12:01 (60)
Complete: 🔍
Submitter: gongyanyu04
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #865260: Pimzino spec-workflow-mcp 2.2.6 Path Traversal (by gongyanyu04)

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