CVE-2026-57511

CVE-2026-57511 concerns SuperPlane prior to 0.30.0, where an SMTP header injection flaw can be triggered by CRLF sequences in the webhook-delivered event title. This allows unauthenticated attackers to manipulate the SMTP DATA command, adding Bcc recipients for exfiltration, forging the From addr...

EUVD-2026-49996

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 SM...

CVE-2026-57510

SuperPlane before 0.27.0 suffers a broken object-level authorization flaw in the CanvasService gRPC handlers. Authenticated users with viewer-level access to one organization can access resources from other organizations by supplying arbitrary canvas or queue UUIDs without proper organization sco...