Square

Square Security Releases - October 2026

square-2026-10 Oct 1, 2026 Source: Vendor

Square security advisories for October 2026, compiled from CVE.org records.

Source of record The credited names below are quoted verbatim from the vendor's own advisory: https://www.cve.org/CVERecord?id=CVE-2026-109391

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CVE-2026-109391 BR2026-0000-027109 Squash unclaimed

Square Squash through commit e73f280 contains an insecure deserialization vulnerability that allows unauthenticated attackers to store crafted YAML via the POST /api/1.0/symbolication endpoint. Whe...

Credited as hieuPenguinnn