CVE-2026-126349

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-126349", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-11-10T21:12:01.227Z", "datePublished": "2026-11-12T22:00:22.516Z", "dateUpdated": "2026-11-12T22:00:22.516Z"}, "containers": {"cna": {"title": "Addressable display_uri can show misleading hosts containing bidi and invisible characters", "problemTypes": [{"descriptions": [{"cweId": "CWE-176", "lang": "en", "description": "CWE-176: Improper Handling of Unicode Encoding", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-451", "lang": "en", "description": "CWE-451: User Interface (UI) Misrepresentation of Critical Information", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-1007", "lang": "en", "description": "CWE-1007: Insufficient Visual Distinction of Homoglyphs Presented to User", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/sporkmonger/addressable/security/advisories/GHSA-539f-xcgw-2gjg", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/sporkmonger/addressable/security/advisories/GHSA-539f-xcgw-2gjg"}, {"name": "https://github.com/sporkmonger/addressable/commit/60455d32bb59fda2585a0e1865a9fcb21e8e55b1", "tags": ["x_refsource_MISC"], "url": "https://github.com/sporkmonger/addressable/commit/60455d32bb59fda2585a0e1865a9fcb21e8e55b1"}, {"name": "https://github.com/sporkmonger/addressable/releases/tag/addressable-2.9.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/sporkmonger/addressable/releases/tag/addressable-2.9.1"}], "affected": [{"vendor": "sporkmonger", "product": "addressable", "versions": [{"version": ">= 2.0.0, < 2.9.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-12T22:00:22.516Z"}, "descriptions": [{"lang": "en", "value": "Addressable is an alternative implementation to the URI implementation that is part of Ruby's standard library. From 2.0.0 until 2.9.1, Addressable::IDNA.to_unicode can decode Punycode labels that contain bidirectional controls, zero-width characters, control characters, or other default-ignorable format characters. Addressable::URI#display_uri can consequently show a reordered or visually indistinguishable hostname even though host, normalized_host, and network connections use the original encoded hostname. The pure-Ruby backend accepts the full prohibited set, while the native libidn backend is affected from 2.5.2 for characters added after Unicode 3.2. This issue is fixed in version 2.9.1."}], "source": {"advisory": "GHSA-539f-xcgw-2gjg", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "addressable", "vendor": "sporkmonger", "versions": [{"status": "affected", "version": ">= 2.0.0, < 2.9.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Addressable is an alternative implementation to the URI implementation that is part of Ruby's standard library. From 2.0.0 until 2.9.1, Addressable::IDNA.to_unicode can decode Punycode labels that contain bidirectional controls, zero-width characters, control characters, or other default-ignorable format characters. Addressable::URI#display_uri can consequently show a reordered or visually indistinguishable hostname even though host, normalized_host, and network connections use the original encoded hostname. The pure-Ruby backend accepts the full prohibited set, while the native libidn backend is affected from 2.5.2 for characters added after Unicode 3.2. This issue is fixed in version 2.9.1."}], "id": "CVE-2026-126349", "lastModified": "2026-11-12T22:19:20.080", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-11-12T22:19:20.080", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/sporkmonger/addressable/commit/60455d32bb59fda2585a0e1865a9fcb21e8e55b1"}, {"source": "security-advisories@github.com", "url": "https://github.com/sporkmonger/addressable/releases/tag/addressable-2.9.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/sporkmonger/addressable/security/advisories/GHSA-539f-xcgw-2gjg"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-176"}, {"lang": "en", "value": "CWE-451"}, {"lang": "en", "value": "CWE-1007"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

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