CVE-2026-111358
MEDIUM
CVSS 5.4
Published: 2026-10-15
Modified: 2026-10-16
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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.
Quick Facts
| CVE ID | CVE-2026-111358 |
| CVSS Score | 5.4 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N |
| Published | 2026-10-15 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |
References
- https://github.com/mettle/sendportal-core
- https://github.com/mettle/sendportal-core/blob/v4.0.1/src/Ht…
- https://github.com/mettle/sendportal-core/blob/v4.0.1/src/Re…
- https://hackmd.io/@hieuPenguinnn/sendportal-subscriber-tags-…
- https://www.vulncheck.com/advisories/sendportal-sendportal-c…
- https://hackmd.io/@hieuPenguinnn/sendportal-subscriber-tags-…