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vuln-cve/data/2026/49xxx/CVE-2026-49848.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-49848",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-06-01T22:03:19.640Z",
"datePublished": "2026-06-09T16:05:42.064Z",
"dateUpdated": "2026-06-09T16:53:15.989Z"
},
"containers": {
"cna": {
"title": "FreeSWITCH: Pre-authentication `userVariables` injection in `mod_verto`",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-287",
"lang": "en",
"description": "CWE-287: Improper Authentication",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"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"
}
}
],
"references": [
{
"name": "https://github.com/signalwire/freeswitch/security/advisories/GHSA-j38x-xm7f-9p2f",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/signalwire/freeswitch/security/advisories/GHSA-j38x-xm7f-9p2f"
},
{
"name": "https://github.com/signalwire/freeswitch/releases/tag/v1.11.1",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/signalwire/freeswitch/releases/tag/v1.11.1"
}
],
"affected": [
{
"vendor": "signalwire",
"product": "freeswitch",
"versions": [
{
"version": "< 1.11.1",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-06-09T16:05:42.064Z"
},
"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."
}
],
"source": {
"advisory": "GHSA-j38x-xm7f-9p2f",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-06-09T16:50:30.238651Z",
"id": "CVE-2026-49848",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-06-09T16:53:15.989Z"
}
}
]
}
}