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{"affected": [{"affectedData": [{"product": "freescout", "vendor": "freescout-help-desk", "versions": [{"status": "affected", "version": "< 1.8.230"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "FreeScout is a self-hosted help desk and shared mailbox. Prior to 1.8.230, multiple outbound paths in Helper::downloadRemoteFile(), Helper::checkPort(), Helper::sanitizeRemoteUrl(), MailboxesController.php, and ModulesController.php do not consistently enforce a sink-level restricted-host policy. An authenticated administrator, or another authenticated user permitted to change mailbox connection settings or trigger module update or installation paths, can supply attacker-controlled URLs or hosts. The independent download and port-test sinks can reach encoded or otherwise uncovered loopback and internal addresses. The redirect-validation bypass additionally requires a configured whitelist that permits the original and final hosts while a restricted internal host appears only as an intermediate redirect hop. No unauthenticated SSRF path is established. The server can consequently contact loopback and internal services, provide a blind internal port oracle, and retrieve internal HTTP responses into application-controlled download sinks. This issue is fixed in version 1.8.230."}], "id": "CVE-2026-85743", "lastModified": "2026-11-12T22:11:01.153", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 5.3, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-85743", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-11T03:12:34.893833Z", "version": "2.0.3"}}]}, "published": "2026-11-06T17:20:02.567", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/freescout-help-desk/freescout/commit/09799fd4bcf731704bc2099a87bca0cf18d20acb"}, {"source": "security-advisories@github.com", "url": "https://github.com/freescout-help-desk/freescout/commit/a4c587cf1fff87eae7d3e4f297fa4cc81ba28704"}, {"source": "security-advisories@github.com", "url": "https://github.com/freescout-help-desk/freescout/releases/tag/1.8.230"}, {"source": "security-advisories@github.com", "url": "https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-6w8v-qp43-vg2h"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-6w8v-qp43-vg2h"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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