Description
SendPortal sendportal-core through 4.0.1 contains an authorization bypass vulnerability that allows authenticated workspace members to attach subscribers to other workspaces' tags by supplying unvalidated tag IDs. Attackers can submit sequential tag IDs via the web subscriber form or CSV import to receive victim campaign content and skew victim reports.
Published: 2026-10-15
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 15 Oct 2026 22:00:00 +0000

Type Values Removed Values Added
Description SendPortal sendportal-core through 4.0.1 contains an authorization bypass vulnerability that allows authenticated workspace members to attach subscribers to other workspaces' tags by supplying unvalidated tag IDs. Attackers can submit sequential tag IDs via the web subscriber form or CSV import to receive victim campaign content and skew victim reports.
Title SendPortal sendportal-core through 4.0.1 Cross-Workspace Tag Attachment via Subscriber Form
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-16T15:55:23.157Z

Reserved: 2026-10-15T20:57:01.492Z

Link: CVE-2026-111358

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-15T22:19:33.793

Modified: 2026-10-15T22:19:33.793

Link: CVE-2026-111358

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-16T13:44:17Z

Weaknesses
  • CWE-639

    Authorization Bypass Through User-Controlled Key