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Digest · Monday

Security digest: December 8, 2025

2 known exploited (cisa kev) additions and 6 critical advisories.

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Take stock

  • Do you run any of these? Array Networks ArrayOS AG, D-Link Routers. They are being exploited in the wild (CISA KEV). Patch or mitigate if you do; CISA’s federal deadline is 2025-12-29.
  • RubyGems: 2 critical advisories (ruby-saml). Check with bundle audit check --update.
  • npm: 2 critical advisories (n8n, @vitejs/plugin-rsc). Check with npm audit (or: npm ls <package>).
  • Go: 2 critical advisories (github.com/gofiber/utils/v2, github.com/gofiber/utils, github.com/zitadel/zitadel, github.com/zitadel/zitadel/v2). Check with govulncheck ./....
  • 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) 2

Added to CISA’s catalog on this day: confirmed exploitation in the wild. Due date = CISA’s deadline for US federal agencies.

CVEProduct and flawCISA due
CVE-2025-66644Array Networks ArrayOS AG
Array Networks ArrayOS AG OS Command Injection Vulnerability		2025-12-29
CVE-2022-37055D-Link Routers
D-Link Routers Buffer Overflow Vulnerability		2025-12-29

Critical advisories by ecosystem 6

GitHub-reviewed advisories rated critical, published this day (Pacific time).

Go 2

Check: govulncheck ./...

npm 2

Check: npm audit (or: npm ls <package>)

RubyGems 2

Check: bundle audit check --update