Digest · Monday
Security digest: February 9, 2026
4 critical advisories.
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Take stock
- npm: 3 critical advisories (
@nyariv/sandboxjs,fuxa-server). Check withnpm audit (or: npm ls <package>). - Go: 1 critical advisory (
github.com/gofiber/fiber/v2). Check withgovulncheck ./.... - 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 4
GitHub-reviewed advisories rated critical, published this day (Pacific time).
npm 3
Check: npm audit (or: npm ls <package>)
- @nyariv/sandboxjs has host prototype pollution from sandbox via array intermediary (sandbox escape) CVE-2026-25881 CVSS 9.0 Critical
@nyariv/sandboxjs<= 0.8.30 → fixed in 0.8.31 - FUXA Unauthenticated Remote Code Execution in Node-RED Integration CVE-2026-25938 CVSS 9.5 Critical
fuxa-server>= 1.2.8, < 1.2.11 → fixed in 1.2.11 - FUXA Unauthenticated Remote Arbitrary Scheduler Write CVE-2026-25939 CVSS 9.3 Critical
fuxa-server>= 1.2.8, < 1.2.11 → fixed in 1.2.11
Go 1
Check: govulncheck ./...
- Fiber has an insecure fallback in utils.UUIDv4() / utils.UUID() — predictable / zero‑UUID on crypto/rand failure CVE-2025-66630 CVSS 9.2 Critical
github.com/gofiber/fiber/v2< 2.52.11 → fixed in 2.52.11