Path Traversal in Coder Code-marketplace
CVE-2026-35454
The Code Extension Marketplace is an open-source alternative to the VS Code Marketplace. Prior to 2.4.2, Zip Slip vulnerability in coder/code-marketplace allowed a malicious VSIX file to write arbitrary files outside the extension director…
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.000 (5.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Coder Code-marketplace — versions < 2.4.2
Weakness classification (CWE)
References
- https://github.com/coder/code-marketplace/security/advisories/GHSA-8x9r-hvwg-c55h (x_refsource_CONFIRM, Third Party Advisory)
- https://github.com/coder/code-marketplace/releases/tag/v2.4.2 (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-35454?
- CVE-2026-35454 is a medium-severity vulnerability in Coder Code-marketplace, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-04-06.
- How severe is CVE-2026-35454?
- Medium severity. CVSS v3 base score is 6.5 out of 10.