CVE-2026-89321

Publishing limits the compressed size of a VSIX ovsx.publishing.max-content-size, 512 MB by default but nothing limited how large an entry becomes when opened. On the first request to /vscode/unpkg/namespace/extension/version/path, WebResourceService opened the entry with ZipFile.getInputStream a...

CVE-2026-13323

In Open VSX Registry before 1.0.2, the /vscode/unpkg/ endpoint serves user-supplied HTML files with Content-Type: text/html and without a Content-Security-Policy or Content-Disposition: attachment response header. An unauthenticated attacker can register a publisher account, upload a VSIX...

CVE-2026-13323

In Open VSX Registry before 1.0.2, the /vscode/unpkg/ endpoint serves user-supplied HTML files with Content-Type: text/html and without a Content-Security-Policy or Content-Disposition: attachment response header. An unauthenticated attacker can register a publisher account, upload a VSIX...