mcp-data-vis vulnerable to denial of service via unsanitized `select` key lookup on `Object.prototype` with `precompile:

Description

icu-minify’s runtime formatter resolves select branches by looking up the runtime value as a plain property on a prototype-bearing object. When the value coerces to a key that exists on Object.prototype (e.g.

Recommendation

Update the icu-minify package to the latest compatible version. Followings are version details:

• Affected version(s): <= 4.9.1
• Patched version(s): 4.9.2

References

• GHSA-r27j-894h-3w3p
• CWE-1321

Related Issues

• Axios is Vulnerable to Denial of Service via __proto__ Key in mergeConfig - CVE-2026-25639
• path-to-regexp vulnerable to Regular Expression Denial of Service via multiple route parameters - CVE-2026-4867
• path-to-regexp vulnerable to Denial of Service via sequential optional groups - CVE-2026-4926
• path-to-regexp vulnerable to Regular Expression Denial of Service via multiple wildcards - CVE-2026-4923

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Tags:

npm

icu-minify