Mailpit: Concurrent map read & write in proxy CSS rewriter - remote unauth crash (fatal error: concurrent map read and map write) · CVE-2026-45712 · GitHub Advisory Database

Mailpit: Concurrent map read & write in proxy CSS rewriter - remote unauth crash (fatal error: concurrent map read and map write)

Moderate severity GitHub Reviewed Published May 14, 2026 in axllent/mailpit • Updated May 19, 2026

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