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P4
CVE-2026-57511: superplane 0 to before 0.30.0
CVE-2026-57511. CVSS 3.1 base score 5.4 (MEDIUM, Vendor/CNA). EPSS 0.00404 (percentile 0.33477), scored 22-Oct-2026.
Affected technology
superplane · 0 to before 0.30.0
superplanehq
Description’s affected range: before 0.30.0
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Unauthenticated attackers can inject arbitrary SMTP headers by including CRLF sequences in the event payload title field delivered via webhook. Vendor/CNA’s CVSS 4.0 assessment (base score 6.3/10) rates confidentiality, integrity and availability impact as none.
- CWE
- CWE-93
- CCR priority
- 21.7 /100 (P4)
- CVSS 3.1
- 5.4 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N · Vendor/CNA
- EPSS
- 0.00404 · percentile 0.33477 · 2026-10-22
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-57511.html