{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-111933", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-17T12:20:52.372Z", "datePublished": "2026-10-17T18:46:43.456Z", "dateUpdated": "2026-10-19T15:12:57.230Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-17T18:46:43.456Z"}, "datePublic": "2026-06-12T00:00:00.000Z", "title": "Coder before 2.34.2 User Enumeration via Login Placeholder Hash", "descriptions": [{"lang": "en", "value": "Coder before 2.29.17, 2.30.0 before 2.32.7, 2.33.0 before 2.33.8, and 2.34.0 before 2.34.2 contains a user enumeration vulnerability because userpassword.Compare() substitutes a placeholder hash derived from the string \"hunter2\" when a stored password hash is empty. Unauthenticated attackers can submit logins with the password \"hunter2\" and distinguish HTTP 403 from 401 responses to enumerate valid accounts and reveal the authentication provider of SSO-only users."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Observable Discrepancy", "cweId": "CWE-203", "type": "CWE"}]}], "affected": [{"vendor": "coder", "product": "coder", "defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/coder/coder/v2", "versions": [{"version": "2.34.0", "status": "affected", "versionType": "semver", "lessThan": "2.34.2"}, {"version": "2.34.2", "status": "unaffected", "versionType": "semver"}]}, {"vendor": "coder", "product": "coder", "defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/coder/coder/v2", "versions": [{"version": "2.33.0", "status": "affected", "versionType": "semver", "lessThan": "2.33.8"}, {"version": "2.33.8", "status": "unaffected", "versionType": "semver"}]}, {"vendor": "coder", "product": "coder", "defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/coder/coder/v2", "versions": [{"version": "2.30.0", "status": "affected", "versionType": "semver", "lessThan": "2.32.7"}, {"version": "2.32.7", "status": "unaffected", "versionType": "semver"}]}, {"vendor": "coder", "product": "coder", "defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/coder/coder/v2", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "2.29.17"}, {"version": "2.29.17", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:coder:coder:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.34.0", "versionEndExcluding": "2.34.2"}]}]}, {"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:coder:coder:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.33.0", "versionEndExcluding": "2.33.8"}]}]}, {"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:coder:coder:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.30.0", "versionEndExcluding": "2.32.7"}]}]}, {"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:coder:coder:*:*:*:*:*:*:*:*", "versionEndExcluding": "2.29.17"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW"}}], "references": [{"url": "https://github.com/coder/coder/security/advisories/GHSA-8fxq-53rx-ph5f", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-8fxq-53rx-ph5f)"}, {"name": "VulnCheck Advisory: Coder before 2.34.2 User Enumeration via Login Placeholder Hash", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/coder-before-2.34.2-user-enumeration-via-login-placeholder-hash"}], "x_generator": {"engine": "vulncheck-endgame"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-19T15:09:55.562810Z", "id": "CVE-2026-111933", "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": "2026-10-19T15:12:57.230Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-111933", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-19T15:09:55.562810Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-19T15:10:06.347Z"}}], "cna": {"title": "Coder before 2.34.2 User Enumeration via Login Placeholder Hash", "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "baseScore": 6.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N", "userInteraction": "NONE", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW"}}, {"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.7, "attackVector": "NETWORK", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}], "affected": [{"vendor": "coder", "product": "coder", "versions": [{"status": "affected", "version": "2.34.0", "lessThan": "2.34.2", "versionType": "semver"}, {"status": "unaffected", "version": "2.34.2", "versionType": "semver"}], "packageURL": "pkg:golang/github.com/coder/coder/v2", "defaultStatus": "unaffected"}, {"vendor": "coder", "product": "coder", "versions": [{"status": "affected", "version": "2.33.0", "lessThan": "2.33.8", "versionType": "semver"}, {"status": "unaffected", "version": "2.33.8", "versionType": "semver"}], "packageURL": "pkg:golang/github.com/coder/coder/v2", "defaultStatus": "unaffected"}, {"vendor": "coder", "product": "coder", "versions": [{"status": "affected", "version": "2.30.0", "lessThan": "2.32.7", "versionType": "semver"}, {"status": "unaffected", "version": "2.32.7", "versionType": "semver"}], "packageURL": "pkg:golang/github.com/coder/coder/v2", "defaultStatus": "unaffected"}, {"vendor": "coder", "product": "coder", "versions": [{"status": "affected", "version": "0", "lessThan": "2.29.17", "versionType": "semver"}, {"status": "unaffected", "version": "2.29.17", "versionType": "semver"}], "packageURL": "pkg:golang/github.com/coder/coder/v2", "defaultStatus": "unaffected"}], "datePublic": "2026-06-12T00:00:00.000Z", "references": [{"url": "https://github.com/coder/coder/security/advisories/GHSA-8fxq-53rx-ph5f", "name": "GitHub Security Advisory (GHSA-8fxq-53rx-ph5f)", "tags": ["vendor-advisory"]}, {"url": "https://www.vulncheck.com/advisories/coder-before-2.34.2-user-enumeration-via-login-placeholder-hash", "name": "VulnCheck Advisory: Coder before 2.34.2 User Enumeration via Login Placeholder Hash", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "vulncheck-endgame"}, "descriptions": [{"lang": "en", "value": "Coder before 2.29.17, 2.30.0 before 2.32.7, 2.33.0 before 2.33.8, and 2.34.0 before 2.34.2 contains a user enumeration vulnerability because userpassword.Compare() substitutes a placeholder hash derived from the string \"hunter2\" when a stored password hash is empty. Unauthenticated attackers can submit logins with the password \"hunter2\" and distinguish HTTP 403 from 401 responses to enumerate valid accounts and reveal the authentication provider of SSO-only users."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-203", "description": "Observable Discrepancy"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:coder:coder:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "2.34.2", "versionStartIncluding": "2.34.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:coder:coder:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "2.33.8", "versionStartIncluding": "2.33.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:coder:coder:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "2.32.7", "versionStartIncluding": "2.30.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:coder:coder:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "2.29.17"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-17T18:46:43.456Z"}}}, "cveMetadata": {"cveId": "CVE-2026-111933", "state": "PUBLISHED", "dateUpdated": "2026-10-19T15:12:57.230Z", "dateReserved": "2026-10-17T12:20:52.372Z", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "datePublished": "2026-10-17T18:46:43.456Z", "assignerShortName": "VulnCheck"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/coder/coder/v2", "product": "coder", "vendor": "coder", "versions": [{"lessThan": "2.34.2", "status": "affected", "version": "2.34.0", "versionType": "semver"}, {"status": "unaffected", "version": "2.34.2", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/coder/coder/v2", "product": "coder", "vendor": "coder", "versions": [{"lessThan": "2.33.8", "status": "affected", "version": "2.33.0", "versionType": "semver"}, {"status": "unaffected", "version": "2.33.8", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/coder/coder/v2", "product": "coder", "vendor": "coder", "versions": [{"lessThan": "2.32.7", "status": "affected", "version": "2.30.0", "versionType": "semver"}, {"status": "unaffected", "version": "2.32.7", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/coder/coder/v2", "product": "coder", "vendor": "coder", "versions": [{"lessThan": "2.29.17", "status": "affected", "version": "0", "versionType": "semver"}, {"status": "unaffected", "version": "2.29.17", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Coder before 2.29.17, 2.30.0 before 2.32.7, 2.33.0 before 2.33.8, and 2.34.0 before 2.34.2 contains a user enumeration vulnerability because userpassword.Compare() substitutes a placeholder hash derived from the string \"hunter2\" when a stored password hash is empty. Unauthenticated attackers can submit logins with the password \"hunter2\" and distinguish HTTP 403 from 401 responses to enumerate valid accounts and reveal the authentication provider of SSO-only users."}, {"lang": "es", "value": "Coder versiones anteriores a 2.29.17, versiones 2.30.0 hasta la versi\u00f3n 2.32.7 excluida, versiones 2.33.0 hasta la versi\u00f3n 2.33.8 excluida y versiones 2.34.0 hasta la versi\u00f3n 2.34.2 excluida contiene una vulnerabilidad de enumeraci\u00f3n de usuarios porque userpassword.Compare() sustituye un hash de marcador de posici\u00f3n derivado de la cadena \\\u201chunter2\\\u201d cuando el hash de la contrase\u00f1a almacenada est\u00e1 vac\u00edo. Los atacantes no autenticados pueden enviar inicios de sesi\u00f3n con la contrase\u00f1a \\\u201chunter2\\\u201d y distinguir respuestas HTTP 403 de 401 para enumerar cuentas v\u00e1lidas y revelar el proveedor de autenticaci\u00f3n de los usuarios exclusivamente SSO."}], "id": "CVE-2026-111933", "lastModified": "2026-10-19T22:10:00.130", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.3, "baseSeverity": "MEDIUM", "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": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/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": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-111933", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-19T15:09:55.562810Z", "version": "2.0.3"}}]}, "published": "2026-10-17T19:16:36.360", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/coder/coder/security/advisories/GHSA-8fxq-53rx-ph5f"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/coder-before-2.34.2-user-enumeration-via-login-placeholder-hash"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-203"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

{}

{"created": "2026-10-17T20:45:07.765397+00:00", "updated": "2026-10-17T21:15:15.364797+00:00", "vendors": []}