What’s Vulnerable › Vulnerabilities

CVE-2026-19336: Pimzino spec-workflow-mcp approvals.ts ApprovalStorage.createApproval path traversal

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-09 · updated 2026-10-23
• Weakness: CWE-22

Description

A vulnerability was found in Pimzino spec-workflow-mcp up to 2.2.6. This issue affects the function ApprovalStorage.createApproval of the file src/tools/approvals.ts. Performing a manipulation of the argument categoryName results in path traversal. The attack is only possible with local access. Upgrading to version 2.2.7 is capable of addressing this issue. The patch is named 9c7a7839e690bb4543f0e7481b5740d23808e5fe. It is advisable to upgrade the affected component.

Affected products

• Pimzino spec-workflow-mcp: 2.2.0, 2.2.1, 2.2.2, 2.2.3, 2.2.4, 2.2.5 (+1)

References

• https://github.com/Pimzino/spec-workflow-mcp/
• https://github.com/Pimzino/spec-workflow-mcp/commit/9c7a7839e690bb4543f0e7481b5740d23808e5fe
• https://github.com/Pimzino/spec-workflow-mcp/issues/220
• https://github.com/Pimzino/spec-workflow-mcp/pull/222
• https://vuldb.com/cve/CVE-2026-19336
• https://vuldb.com/submit/865260
• https://vuldb.com/vuln/387172
• https://vuldb.com/vuln/387172/cti
• https://github.com/Pimzino/spec-workflow-mcp/issues/220

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