Digest · Monday
Security digest: October 19, 2026
2 critical advisories.
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Take stock
- PyPI: 2 critical advisories (
mercury). Check withpip-audit (or: pip show <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 2
GitHub-reviewed advisories rated critical, published this day (Pacific time).
PyPI 2
Check: pip-audit (or: pip show <package>)
- Mercury: Unauthenticated Remote Code Execution via /api/kernels CVE-2026-111058 CVSS 9.8 Critical
mercury<= 3.2.5 → fixed in 3.2.6 - Mercury: Unauthenticated Remote Code Execution in /api/terminals - access control bypass CVE-2026-111057 CVSS 10.0 Critical
mercury>= 3.0.0, <= 3.2.3 → fixed in 3.2.4