CVE-2026-111358
CVE-2026-111358 · SendPortal sendportal-core through 4.0.1 Cross-Workspace Tag Attachment via Subscriber Form
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 5.3 · Medium · EPSS 0.3%
- Published
- Updated
Affected products and versions
sendportal-core
- Versions
- ≥ 0, ≤ 4.0.1: Affected (semver)
No fix published
Original sources
- https://hackmd.io/@hieuPenguinnn/sendportal-subscriber-tags-cross-workspace-attach
- https://github.com/mettle/sendportal-core/blob/v4.0.1/src/Repositories/Subscribers/BaseSubscriberTenantRepository.php#L48-L51
- https://github.com/mettle/sendportal-core/blob/v4.0.1/src/Http/Requests/SubscriberRequest.php#L34-L37
- https://github.com/mettle/sendportal-core
- https://www.vulncheck.com/advisories/sendportal-sendportal-core-through-4.0.1-cross-workspace-tag-attachment-via-subscriber-form
- https://nvd.nist.gov/vuln/detail/CVE-2026-111358