CVE-2026-85743

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{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-85743", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-04T14:50:16.720Z", "datePublished": "2026-11-06T17:06:26.940Z", "dateUpdated": "2026-11-11T03:13:02.881Z"}, "containers": {"cna": {"title": "FreeScout: Server-side request forgery via incomplete outbound host validation and unguarded download sinks", "problemTypes": [{"descriptions": [{"cweId": "CWE-918", "lang": "en", "description": "CWE-918: Server-Side Request Forgery (SSRF)", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"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"}}], "references": [{"name": "https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-6w8v-qp43-vg2h", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-6w8v-qp43-vg2h"}, {"name": "https://github.com/freescout-help-desk/freescout/commit/09799fd4bcf731704bc2099a87bca0cf18d20acb", "tags": ["x_refsource_MISC"], "url": "https://github.com/freescout-help-desk/freescout/commit/09799fd4bcf731704bc2099a87bca0cf18d20acb"}, {"name": "https://github.com/freescout-help-desk/freescout/commit/a4c587cf1fff87eae7d3e4f297fa4cc81ba28704", "tags": ["x_refsource_MISC"], "url": "https://github.com/freescout-help-desk/freescout/commit/a4c587cf1fff87eae7d3e4f297fa4cc81ba28704"}, {"name": "https://github.com/freescout-help-desk/freescout/releases/tag/1.8.230", "tags": ["x_refsource_MISC"], "url": "https://github.com/freescout-help-desk/freescout/releases/tag/1.8.230"}], "affected": [{"vendor": "freescout-help-desk", "product": "freescout", "versions": [{"version": "< 1.8.230", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-06T17:06:26.940Z"}, "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."}], "source": {"advisory": "GHSA-6w8v-qp43-vg2h", "discovery": "UNKNOWN"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-85743", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-11T03:12:34.893833Z"}}}], "references": [{"url": "https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-6w8v-qp43-vg2h", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-11T03:12:52.329Z"}}]}}

{"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"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.8.230)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "freescout", "source": "cna", "vendor": "freescout-help-desk"}, "product": "freescout", "vendor": "freescout_helpdesk"}], "created": "2026-11-06T19:00:12.637066+00:00", "updated": "2026-11-06T19:15:07.758654+00:00", "vendors": ["freescout_helpdesk", "freescout_helpdesk$PRODUCT$freescout"]}