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vuln-cve/data/2026/21xxx/CVE-2026-21618.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-21618",
"assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
"state": "PUBLISHED",
"assignerShortName": "EEF",
"dateReserved": "2026-01-01T03:46:45.933Z",
"datePublished": "2026-01-19T14:22:46.770Z",
"dateUpdated": "2026-07-24T14:16:04.791Z"
},
"containers": {
"cna": {
"affected": [
{
"collectionURL": "https://github.com",
"cpes": [
"cpe:2.3:a:hexpm:hexpm:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unaffected",
"modules": [
"'Elixir.HexpmWeb.SharedAuthorizationView'"
],
"packageName": "hexpm/hexpm",
"packageURL": "pkg:github/hexpm/hexpm",
"product": "hexpm",
"programFiles": [
"lib/hexpm_web/views/shared_authorization_view.ex"
],
"programRoutines": [
{
"name": "'Elixir.HexpmWeb.SharedAuthorizationView':render_grouped_scopes/3"
}
],
"repo": "https://github.com/hexpm/hexpm.git",
"vendor": "hexpm",
"versions": [
{
"lessThan": "c692438684ead90c3bcbfb9ccf4e63c768c668a8",
"status": "affected",
"version": "617e44c71f1dd9043870205f371d375c5c4d886d",
"versionType": "git"
}
]
},
{
"defaultStatus": "unaffected",
"product": "hex.pm",
"vendor": "hexpm",
"versions": [
{
"lessThan": "2026-01-19",
"status": "affected",
"version": "2025-10-01",
"versionType": "date"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:hexpm:hexpm:*:*:*:*:*:*:*:*",
"versionEndExcluding": "c692438684ead90c3bcbfb9ccf4e63c768c668a8",
"versionStartIncluding": "617e44c71f1dd9043870205f371d375c5c4d886d",
"vulnerable": true
}
],
"negate": false,
"operator": "AND"
}
],
"operator": "AND"
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Joud Zakharia / zentrust partners GmbH"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Jonatan Männchen / EEF"
},
{
"lang": "en",
"type": "remediation reviewer",
"value": "Eric Meadows-Jönsson / Hex.pm"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in hexpm hexpm/hexpm ('Elixir.HexpmWeb.SharedAuthorizationView' modules) allows Cross-Site Scripting (XSS).<p> This vulnerability is associated with program files <tt>lib/hexpm_web/views/shared_authorization_view.ex</tt> and program routines <tt>'Elixir.HexpmWeb.SharedAuthorizationView':render_grouped_scopes/3</tt>.</p><p>This issue affects hexpm: from 617e44c71f1dd9043870205f371d375c5c4d886d before c692438684ead90c3bcbfb9ccf4e63c768c668a8; hex.pm: from 2025-10-01 before 2026-01-19.</p>"
}
],
"value": "Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in hexpm hexpm/hexpm ('Elixir.HexpmWeb.SharedAuthorizationView' modules) allows Cross-Site Scripting (XSS). This vulnerability is associated with program files lib/hexpm_web/views/shared_authorization_view.ex and program routines 'Elixir.HexpmWeb.SharedAuthorizationView':render_grouped_scopes/3.\n\nThis issue affects hexpm: from 617e44c71f1dd9043870205f371d375c5c4d886d before c692438684ead90c3bcbfb9ccf4e63c768c668a8; hex.pm: from 2025-10-01 before 2026-01-19."
}
],
"impacts": [
{
"capecId": "CAPEC-63",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-63 Cross-Site Scripting (XSS)"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.5,
"baseSeverity": "HIGH",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "LOW",
"subIntegrityImpact": "LOW",
"userInteraction": "ACTIVE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-79",
"description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
"shortName": "EEF",
"dateUpdated": "2026-07-24T14:16:04.791Z"
},
"references": [
{
"tags": [
"vendor-advisory",
"related"
],
"url": "https://github.com/hexpm/hexpm/security/advisories/GHSA-6cw9-5gg4-rhpj"
},
{
"tags": [
"related"
],
"url": "https://cna.erlef.org/cves/CVE-2026-21618.html"
},
{
"tags": [
"related"
],
"url": "https://osv.dev/vulnerability/EEF-CVE-2026-21618"
},
{
"tags": [
"patch"
],
"url": "https://github.com/hexpm/hexpm/commit/c692438684ead90c3bcbfb9ccf4e63c768c668a8"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Cross-site scripting (XSS) in OAuth Device Authorization screen",
"x_generator": {
"engine": "Vulnogram 0.5.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-01-20T16:16:45.709727Z",
"id": "CVE-2026-21618",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-01-20T16:16:57.225Z"
}
}
]
}
}