CVE-2026-49848

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{"affected": [{"affectedData": [{"product": "freeswitch", "vendor": "signalwire", "versions": [{"status": "affected", "version": "< 1.11.1"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:freeswitch:freeswitch:*:*:*:*:*:*:*:*", "matchCriteriaId": "E8AED0D0-D5A1-4AA1-9CAE-13830B74CAC5", "versionEndExcluding": "1.11.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, mod_verto's check_auth userauth branch wrote request-supplied userVariables into the connection state before comparing the supplied password. The writes are append-only and the connection is not closed on a failed compare, so values declared on bad-password attempts persisted on the same WebSocket and carried into a subsequent successful login on that connection. This issue has been patched in version 1.11.1."}, {"lang": "es", "value": "FreeSWITCH es una Pila de Telecomunicaciones Definida por Software que permite la transformaci\u00f3n digital desde conmutadores de telecomunicaciones propietarios a una implementaci\u00f3n de software que se ejecuta en cualquier hardware comercial. Antes de la versi\u00f3n 1.11.1, la rama userauth de check_auth del m\u00f3dulo mod_verto escrib\u00eda las userVariables suministradas en la solicitud en el estado de la conexi\u00f3n antes de comparar la contrase\u00f1a suministrada. Las escrituras son solo de adici\u00f3n y la conexi\u00f3n no se cierra en una comparaci\u00f3n fallida, por lo que los valores declarados en intentos de contrase\u00f1a incorrecta persist\u00edan en el mismo WebSocket y se trasladaban a un inicio de sesi\u00f3n exitoso posterior en esa conexi\u00f3n. Este problema ha sido parcheado en la versi\u00f3n 1.11.1."}], "id": "CVE-2026-49848", "lastModified": "2026-07-23T08:10:00.137", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-49848", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-09T16:50:30.238651Z", "version": "2.0.3"}}]}, "published": "2026-06-09T17:17:48.460", "references": [{"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/signalwire/freeswitch/releases/tag/v1.11.1"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/signalwire/freeswitch/security/advisories/GHSA-j38x-xm7f-9p2f"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.11.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "freeswitch", "source": "cna", "vendor": "signalwire"}, "product": "freeswitch", "vendor": "signalwire"}], "created": "2026-06-09T17:45:09.846805+00:00", "updated": "2026-06-09T19:00:15.002613+00:00", "vendors": ["signalwire", "signalwire$PRODUCT$freeswitch"]}