{"cve":"CVE-2026-111358","nvd":{"published":"2026-10-15T22:19:33.793","modified":"2026-10-16T18:25:45.343","status":"Deferred","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.","cvss_v4":{"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","score":5.3},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","score":5.4},"cwes":["CWE-639"],"references":["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"],"products":[],"source":"nvd","synced_at":"2026-10-19T23:00:53.604569364+00:00"},"epss":{"cve":"CVE-2026-111358","score":0.00319,"percentile":0.2467,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}