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vuln-cve/data/2026/55xxx/CVE-2026-55644.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-55644",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-06-16T23:52:12.058Z",
"datePublished": "2026-10-19T17:54:58.499Z",
"dateUpdated": "2026-10-22T20:55:32.146Z"
},
"containers": {
"cna": {
"title": "Element X iOS: io.element.call deeplink allows attacker-controlled HTTPS origin and may grant mic/camera to that origin",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"lang": "en",
"description": "CWE-20: Improper Input Validation",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "ACTIVE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"baseScore": 5.1,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
"version": "4.0"
}
}
],
"references": [
{
"name": "https://github.com/element-hq/element-x-ios/security/advisories/GHSA-54w7-rw44-49m7",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/element-hq/element-x-ios/security/advisories/GHSA-54w7-rw44-49m7"
},
{
"name": "https://github.com/element-hq/element-x-ios/pull/5515",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/element-hq/element-x-ios/pull/5515"
},
{
"name": "https://github.com/element-hq/element-x-ios/commit/63592e48c1a1e47f75693045efd85a7d4468ea84",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/element-hq/element-x-ios/commit/63592e48c1a1e47f75693045efd85a7d4468ea84"
},
{
"name": "https://github.com/element-hq/element-x-ios/releases/tag/release/26.05.0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/element-hq/element-x-ios/releases/tag/release/26.05.0"
}
],
"affected": [
{
"vendor": "element-hq",
"product": "element-x-ios",
"versions": [
{
"version": "< 26.05.0",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-10-19T17:54:58.499Z"
},
"descriptions": [
{
"lang": "en",
"value": "Element X iOS is a Matrix iOS Client provided by Element. Element X iOS before version 26.05.0 fails to check the URL allowlist when parsing io.element.call://. If an attacker is able to trick the user into opening a maliciously crafted io.element.call:// URL, they are able to load an attacker-controlled origin inside the call screen's WKWebView which will be granted device microphone and camera permissions (provided the user has previously granted these permissions to Element X iOS). This issue has been patched in version 26.05.0."
}
],
"source": {
"advisory": "GHSA-54w7-rw44-49m7",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-10-22T20:55:15.667586Z",
"id": "CVE-2026-55644",
"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": "2026-10-22T20:55:32.146Z"
}
}
]
}
}