{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-127281", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-11-12T17:34:34.329Z", "datePublished": "2026-11-13T01:15:20.637Z", "dateUpdated": "2026-11-13T01:15:20.637Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-11-13T01:15:20.637Z"}, "title": "lanyulei ferry JWT Validation auth.go improper authentication", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-287", "lang": "en", "description": "Improper Authentication"}]}], "affected": [{"vendor": "lanyulei", "product": "ferry", "versions": [{"version": "1.0.0", "status": "affected"}, {"version": "1.0.0-beta.1", "status": "affected"}], "cpes": ["cpe:2.3:a:lanyulei:ferry:*:*:*:*:*:*:*:*"], "modules": ["JWT Validation"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was found in lanyulei ferry 1.0.0-beta.1/1.0.0. Affected is an unknown function of the file middleware/auth.go of the component JWT Validation. The manipulation results in improper authentication. The attack can be executed remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 6.9, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 7.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C", "baseSeverity": "HIGH"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 7.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C", "baseSeverity": "HIGH"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C"}}], "timeline": [{"time": "2026-11-12T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-11-12T01:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-11-12T18:39:50.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "liumiya (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/436447", "name": "VDB-436447 | lanyulei ferry JWT Validation auth.go improper authentication", "tags": ["vdb-entry"]}, {"url": "https://vuldb.com/vuln/436447/cti", "name": "VDB-436447 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-127281", "name": "CVE-2026-127281 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/1041008", "name": "Submit #1041008 | lanyulei ferry <= 1.0.0 JWT Empty Secret Authentication Bypass", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/1041009", "name": "Submit #1041009 | lanyulei ferry <= 1.0.0 Authentication Bypass by Primary Weakness (Duplicate)", "tags": ["third-party-advisory"]}, {"url": "https://github.com/liumiya63-arch/CVE/blob/main/ferry-CVE-en-20261018/CVE-ferry-jwt-auth-bypass.md", "tags": ["exploit"]}], "x_generator": ["VulDB PVTS v202611"]}}}

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{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:lanyulei:ferry:*:*:*:*:*:*:*:*"], "modules": ["JWT Validation"], "product": "ferry", "vendor": "lanyulei", "versions": [{"status": "affected", "version": "1.0.0"}, {"status": "affected", "version": "1.0.0-beta.1"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in lanyulei ferry 1.0.0-beta.1/1.0.0. Affected is an unknown function of the file middleware/auth.go of the component JWT Validation. The manipulation results in improper authentication. The attack can be executed remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way."}], "id": "CVE-2026-127281", "lastModified": "2026-11-13T02:18:55.253", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "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": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}]}, "published": "2026-11-13T02:18:55.103", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/liumiya63-arch/CVE/blob/main/ferry-CVE-en-20261018/CVE-ferry-jwt-auth-bypass.md"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/cve/CVE-2026-127281"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/1041008"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/1041009"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/436447"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/436447/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "cna@vuldb.com", "type": "Primary"}]}

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