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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "3.0.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "3.0.1"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "sendportal", "source": "cna", "vendor": "mettle"}, "product": "sendportal", "vendor": "mettle"}], "analysis": {"en": {"generated_at": "2026-04-29T01:34:53.608054+00:00", "value": {"mitigation_remediation": ["Apply the latest SendPortal update that addresses the authorization bypass (any release newer than 3.0.1).", "If no patch is available, restrict the destroy endpoint to users with administrative roles and enforce a strict role check before processing the invitation.", "In lieu of a patch or role restriction, add a server\u2011side verification in WorkspaceInvitationsController to confirm that the invitation belongs to the workspace of the authenticated user before allowing deletion.", "Review action logs for unauthorized delete attempts and monitor workspace invitation activity for anomalies."], "summary": {"action": "Patch Immediately", "impact": "Authorization bypass leading to unauthorized deletion of workspace invitations"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the SendPortal application developed by mettle, in all releases up to and including version 3.0.1. No specific sub\u2011versions beyond that were identified; therefore any installation of SendPortal 3.0.1 or earlier is susceptible.", "description_and_impact": "A weakness in the destroy function of WorkspaceInvitationsController allows manipulation of the invitation argument to bypass authorization checks. This flaw enables an attacker to delete workspace invitations without the required permissions, potentially exposing sensitive information or disrupting collaboration. The underlying causes map to authorization weaknesses (CWE-285) and user\u2011controlled key bypass (CWE-639).", "risk_and_exploitability": "The CVSS score of 5.3 classifies the issue as moderate. The EPSS score of 0.00036 (<1%) indicates a very low likelihood of exploitation, and the vulnerability is not listed in the CISA KEV catalog. The attack can be initiated remotely by sending a crafted request to the destroy endpoint with a manipulated invitation parameter. Once exploited, the attacker can delete workspace invitations, which may lead to denial of collaboration or unintended disclosure of invitation details."}}}}, "created": "2026-04-28T09:16:59.897772+00:00", "title": "Authorization Bypass Enables Unauthorized Deletion of Workspace Invitations in SendPortal", "updated": "2026-04-29T01:45:26.016179+00:00", "vendors": ["mettle", "mettle$PRODUCT$sendportal"]}