Digest · Thursday
Security digest: January 8, 2026
1 critical advisory.
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Take stock
- npm: 1 critical advisory (
@react-router/node,@remix-run/node,@remix-run/deno). Check withnpm audit (or: npm ls <package>). - None of it touches your stack? Then there is nothing to do today. That is a result, not a failure to read carefully.
Known exploited (CISA KEV) 0
Added to CISA’s catalog on this day: confirmed exploitation in the wild. Due date = CISA’s deadline for US federal agencies.
None.
Critical advisories by ecosystem 1
GitHub-reviewed advisories rated critical, published this day (Pacific time).
npm 1
Check: npm audit (or: npm ls <package>)
- React Router has Path Traversal in File Session Storage CVE-2025-61686 CVSS 9.1 Critical
@react-router/node>= 7.0.0, <= 7.9.3 → fixed in 7.9.4;@remix-run/node<= 2.17.1 → fixed in 2.17.2;@remix-run/deno<= 2.17.1 → fixed in 2.17.2