Path Traversal in Pimzino Spec-Workflow-Mcp
CVE-2026-19336
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.001 (3.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000
Affected products
- Pimzino Spec-Workflow-Mcp — versions 2.2.0, 2.2.1, 2.2.2
Weakness classification (CWE)
References
- vuldb.com/vuln/387172 (technical-description, vdb-entry)
- vuldb.com/vuln/387172/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-19336 (third-party-advisory)
- vuldb.com/submit/865260 (third-party-advisory)
- github.com/Pimzino/spec-workflow-mcp/issues/220 (issue-tracking)
- github.com/Pimzino/spec-workflow-mcp/pull/222 (issue-tracking, patch)
- github.com/Pimzino/spec-workflow-mcp/commit/9c7a7839e690bb4543f0e7481b5740d2380… (patch)
- github.com/Pimzino/spec-workflow-mcp/ (product)
Frequently asked questions
- What is CVE-2026-19336?
- CVE-2026-19336 is a medium-severity vulnerability in Pimzino Spec-Workflow-Mcp, classified under Path Traversal. CVSS score: 5.3/10. Published 2026-08-09.
- How severe is CVE-2026-19336?
- Medium severity. CVSS v3 base score is 5.3 out of 10.