CVE-2026-111358
Medium · CVSS 5.3Published 2026-10-15
CVSS
5.3
Medium
EPSS
—
exploit probability
Active Exploit
No
not yet listed
What is CVE-2026-111358?
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 Score Explained
CVSS 5.3 is Medium severity. Exploitation usually requires some specific conditions (local access, user interaction, or a particular config). Still worth patching in your next maintenance window.
EPSS Exploitation Probability
No EPSS score yet — model needs more data on this CVE.
References & Patches
- ›https://github.com/mettle/sendportal-core
- ›https://github.com/mettle/sendportal-core/blob/v4.0.1/src/Http/Requests/SubscriberRequest.php#L34-L37
- ›https://github.com/mettle/sendportal-core/blob/v4.0.1/src/Repositories/Subscribers/BaseSubscriberTenantRepository.php#L48-L51
- ›https://hackmd.io/@hieuPenguinnn/sendportal-subscriber-tags-cross-workspace-attach
- ›https://www.vulncheck.com/advisories/sendportal-sendportal-core-through-4.0.1-cross-workspace-tag-attachment-via-subscriber-form
Track vulnerabilities for your stack
Tell us what tech you run — Node.js, Python, Java, nginx, whatever — and get a weekly email when new CVEs affect it.
Recent CVEs
- CVE-2026-8311Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.—
- CVE-2026-5819Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.—
- CVE-2026-2937Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.—
- CVE-2026-107316Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.—
- CVE-2026-107172Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.—
- CVE-2025-3778Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.—