CVE-2026-21618

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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.", "supportingMedia": [{"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>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:hexpm:hexpm:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "c692438684ead90c3bcbfb9ccf4e63c768c668a8", "versionStartIncluding": "617e44c71f1dd9043870205f371d375c5c4d886d"}], "operator": "AND"}], "operator": "AND"}], "providerMetadata": {"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "shortName": "EEF", "dateUpdated": "2026-07-24T14:16:04.791Z"}}}, "cveMetadata": {"cveId": "CVE-2026-21618", "state": "PUBLISHED", "dateUpdated": "2026-07-24T14:16:04.791Z", "dateReserved": "2026-01-01T03:46:45.933Z", "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "datePublished": "2026-01-19T14:22:46.770Z", "assignerShortName": "EEF"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"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"}]}], "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:hex:hexpm:*:*:*:*:*:*:*:*", "matchCriteriaId": "0F30BDA9-1780-4D43-9654-3C9548620BE4", "versionEndExcluding": "2026-01-19", "versionStartIncluding": "2025-10-01", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "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."}, {"lang": "es", "value": "Neutralizaci\u00f3n Inadecuada de la Entrada Durante la Generaci\u00f3n de P\u00e1ginas Web (XSS o 'cross-site scripting') vulnerabilidad en hexpm hexpm/hexpm (m\u00f3dulos 'Elixir.HexpmWeb.SharedAuthorizationView') permite cross-site scripting (XSS). Esta vulnerabilidad est\u00e1 asociada con los archivos de programa lib/hexpm_web/views/shared_authorization_view.ex y las rutinas de programa 'Elixir.HexpmWeb.SharedAuthorizationView':render_grouped_scopes/3.\n\nEste problema afecta a hexpm: desde 617e44c71f1dd9043870205f371d375c5c4d886d antes de c692438684ead90c3bcbfb9ccf4e63c768c668a8, desde pkg:github/hexpm/hexpm@617e44c71f1dd9043870205f371d375c5c4d886d antes de pkg:github/hexpm/hexpm@c692438684ead90c3bcbfb9ccf4e63c768c668a8; hex.pm: desde 2025-10-01 antes de 2026-01-19."}], "id": "CVE-2026-21618", "lastModified": "2026-07-24T15:17:13.543", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-21618", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-01-20T16:16:45.709727Z", "version": "2.0.3"}}]}, "published": "2026-01-19T15:15:50.693", "references": [{"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://cna.erlef.org/cves/CVE-2026-21618.html"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "tags": ["Patch"], "url": "https://github.com/hexpm/hexpm/commit/c692438684ead90c3bcbfb9ccf4e63c768c668a8"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://github.com/hexpm/hexpm/security/advisories/GHSA-6cw9-5gg4-rhpj"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://osv.dev/vulnerability/EEF-CVE-2026-21618"}], "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}]}

{}

{"created": "2026-04-15T21:45:14.155329+00:00", "updated": "2026-08-03T08:30:17.842178+00:00", "vendors": []}