MacDown 0.7.1 allows directory traversal, for execution of arbitrary programs, via a…
Priority LOW 36CWE-22Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
MacDown 0.7.1 allows directory traversal, for execution of arbitrary programs, via a file:/// or ../ substring in a shared note.
Why it matters now
EPSS 0.00856 58th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:macdown_project:macdown:0.7.1:*:*:*:*:*:*:* | 0.7.1 | Vulnerable | Macdown Project |
- cpe:2.3:a:macdown_project:macdown:0.7.1:*:*:*:*:*:*:* Versions 0.7.1 Vulnerable ·Macdown Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-12138
- 2026-10-03 Alias added: GHSA-8w8x-hm6m-p4q9
References
More Macdown Project Macdown vulnerabilities
- TI-2019-09091 MacDown 0.7.1 (870) allows remote code execution via a file:\\\ URI, with a .app… CVSS 3.0HIGH 8.8
Sources
- CVE-2019-12138 · CVE Program
- CVE-2019-12138 · NVD
- FIRST EPSS
- GHSA-8w8x-hm6m-p4q9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences