Superplanehq Superplane vulnerabilities
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Published CVEs affecting Superplanehq Superplane: 2 record(s), with affected versions and fixes.
CVE-2026-57511
Medium · 5.4
CWE-93 Jul 28, 2026
SuperPlane < 0.30.0 SMTP Header Injection via Webhook Event Title
SuperPlane before 0.30.0 contains an SMTP header injection vulnerability that allows unauthenticated attackers to inject arbitrary SMTP headers by including CRLF sequences in the event payload title field delivered via webhook. Attackers can manipulate the unsanitized title field passed to the SMTP DATA command to add Bcc recipients for content exfiltration, forge the From address to bypass SPF and DKIM checks, or inject Content-Type and MIME boundary headers to corrupt message bodies for phishing.
CVE-2026-57510
High · 8.8
CWE-639 Jul 28, 2026
SuperPlane < 0.27.0 Broken Object Level Authorization via CanvasService gRPC
SuperPlane before 0.27.0 contains a broken object-level authorization vulnerability in the CanvasService gRPC handlers that allows authenticated users with viewer-level access to one organization to access resources belonging to other organizations by supplying arbitrary canvas or queue UUIDs without organization scoping. Attackers can read cross-tenant execution history and event payloads containing sensitive secrets, write queue items and canvas events into victim organizations, delete arbitrary canvases, and disrupt automation workflows across tenant boundaries.