{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74994", "assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "state": "PUBLISHED", "assignerShortName": "EEF", "dateReserved": "2026-08-17T13:00:01.418Z", "datePublished": "2026-09-01T14:45:57.537Z", "dateUpdated": "2026-09-01T15:57:51.022Z"}, "containers": {"cna": {"affected": [{"cpes": ["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "packageName": "otp", "packageURL": "pkg:sid/erlang.org/otp", "product": "OTP", "vendor": "Erlang", "versions": [{"lessThan": "17.0", "status": "unknown", "version": "0", "versionType": "otp"}, {"lessThan": "27.3.4.17", "status": "affected", "version": "17.0", "versionType": "otp"}, {"lessThan": "28.5.0.6", "status": "affected", "version": "28.0", "versionType": "otp"}, {"lessThan": "29.0.6", "status": "affected", "version": "29.0", "versionType": "otp"}]}, {"cpes": ["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "packageName": "inets", "packageURL": "pkg:otp/inets", "product": "OTP", "repo": "https://github.com/erlang/otp", "vendor": "Erlang", "versions": [{"lessThan": "5.10", "status": "unknown", "version": "0", "versionType": "otp"}, {"lessThan": "9.3.2.7", "status": "affected", "version": "5.10", "versionType": "otp"}, {"lessThan": "9.6.2.3", "status": "affected", "version": "9.4", "versionType": "otp"}, {"lessThan": "9.7.2", "status": "affected", "version": "9.7", "versionType": "otp"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "packageName": "erlang/otp", "packageURL": "pkg:github/erlang/otp", "product": "OTP", "repo": "https://github.com/erlang/otp", "vendor": "Erlang", "versions": [{"changes": [{"at": "6982e381137ede21a4e1faf5fa2dd82321691176", "status": "unaffected"}, {"at": "c5ccec8ed25c70ec6557fd81277e4b2f52285c19", "status": "unaffected"}, {"at": "6101cb74ff2870718c622ba7af0c100f7f2524e3", "status": "unaffected"}], "lessThan": "*", "status": "affected", "version": "84adefa331c4159d432d22840663c38f155cd4c1", "versionType": "git"}]}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*", "versionEndExcluding": "27.3.4.17", "vulnerable": true}, {"criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*", "versionEndExcluding": "28.5.0.6", "versionStartIncluding": "28.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*", "versionEndExcluding": "29.0.6", "versionStartIncluding": "29.0", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "AND"}], "credits": [{"lang": "en", "type": "finder", "value": "Lukas Backstr\u00f6m / Erlang Solutions"}, {"lang": "en", "type": "remediation developer", "value": "Konrad Pietrzak"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>The mod_auth module in OTP's inets httpd server, when configured with dets or mnesia authentication backends and multiple directory configuration blocks, collapses all directory blocks into a single shared user/group namespace. A user added to one\nprotected directory is accepted as valid for all other protected directories on the same server instance.</p>\n<p>This issue affects OTP from OTP&nbsp;17.0 before OTP&nbsp;27.3.4.17, from OTP&nbsp;28.0 before OTP&nbsp;28.5.0.6, and from OTP&nbsp;29.0 before OTP&nbsp;29.0.6, corresponding to inets from 5.10 before 9.3.2.7, from 9.4 before 9.6.2.3, and from 9.7 before 9.7.2. Whether OTP before OTP&nbsp;17.0, corresponding to inets before 5.10, is affected is unknown.</p>"}, {"base64": false, "type": "text/markdown", "value": "The mod_auth module in OTP's inets httpd server, when configured with dets or mnesia authentication backends and multiple directory configuration blocks, collapses all directory blocks into a single shared user/group namespace. 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A user added to one\nprotected directory is accepted as valid for all other protected directories on the same server instance.</p>\n<p>This issue affects OTP from OTP&nbsp;17.0 before OTP&nbsp;27.3.4.17, from OTP&nbsp;28.0 before OTP&nbsp;28.5.0.6, and from OTP&nbsp;29.0 before OTP&nbsp;29.0.6, corresponding to inets from 5.10 before 9.3.2.7, from 9.4 before 9.6.2.3, and from 9.7 before 9.7.2. Whether OTP before OTP&nbsp;17.0, corresponding to inets before 5.10, is affected is unknown.</p>", "base64": false}, {"type": "text/markdown", "value": "The mod_auth module in OTP's inets httpd server, when configured with dets or mnesia authentication backends and multiple directory configuration blocks, collapses all directory blocks into a single shared user/group namespace. 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{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "packageName": "otp", "packageURL": "pkg:sid/erlang.org/otp", "product": "OTP", "vendor": "Erlang", "versions": [{"lessThan": "17.0", "status": "unknown", "version": "0", "versionType": "otp"}, {"lessThan": "27.3.4.17", "status": "affected", "version": "17.0", "versionType": "otp"}, {"lessThan": "28.5.0.6", "status": "affected", "version": "28.0", "versionType": "otp"}, {"lessThan": "29.0.6", "status": "affected", "version": "29.0", "versionType": "otp"}]}, {"cpes": ["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "packageName": "inets", "packageURL": "pkg:otp/inets", "product": "OTP", "repo": "https://github.com/erlang/otp", "vendor": "Erlang", "versions": [{"lessThan": "5.10", "status": "unknown", "version": "0", "versionType": "otp"}, {"lessThan": "9.3.2.7", "status": "affected", "version": "5.10", "versionType": "otp"}, {"lessThan": "9.6.2.3", "status": "affected", "version": "9.4", "versionType": "otp"}, {"lessThan": "9.7.2", "status": "affected", "version": "9.7", "versionType": "otp"}]}, {"collectionURL": "https://github.com", "cpes": ["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "packageName": "erlang/otp", "packageURL": "pkg:github/erlang/otp", "product": "OTP", "repo": "https://github.com/erlang/otp", "vendor": "Erlang", "versions": [{"changes": [{"at": "6982e381137ede21a4e1faf5fa2dd82321691176", "status": "unaffected"}, {"at": "c5ccec8ed25c70ec6557fd81277e4b2f52285c19", "status": "unaffected"}, {"at": "6101cb74ff2870718c622ba7af0c100f7f2524e3", "status": "unaffected"}], "lessThan": "*", "status": "affected", "version": "84adefa331c4159d432d22840663c38f155cd4c1", "versionType": "git"}]}], "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The mod_auth module in OTP's inets httpd server, when configured with dets or mnesia authentication backends and multiple directory configuration blocks, collapses all directory blocks into a single shared user/group namespace. A user added to one protected directory is accepted as valid for all other protected directories on the same server instance.\n\nThis issue affects OTP from OTP\u00a017.0 before OTP\u00a027.3.4.17, from OTP\u00a028.0 before OTP\u00a028.5.0.6, and from OTP\u00a029.0 before OTP\u00a029.0.6, corresponding to inets from 5.10 before 9.3.2.7, from 9.4 before 9.6.2.3, and from 9.7 before 9.7.2. Whether OTP before OTP\u00a017.0, corresponding to inets before 5.10, is affected is unknown."}], "id": "CVE-2026-74994", "lastModified": "2026-09-01T21:15:00.147", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.0, "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": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/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": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-74994", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-01T15:57:45.946562Z", "version": "2.0.3"}}]}, "published": "2026-09-01T15:17:25.927", "references": [{"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://cna.erlef.org/cves/CVE-2026-74994.html"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/erlang/otp/commit/6101cb74ff2870718c622ba7af0c100f7f2524e3"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/erlang/otp/commit/6982e381137ede21a4e1faf5fa2dd82321691176"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/erlang/otp/commit/c5ccec8ed25c70ec6557fd81277e4b2f52285c19"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://github.com/erlang/otp/security/advisories/GHSA-c3cq-q8x6-547g"}, {"source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "url": "https://osv.dev/vulnerability/EEF-CVE-2026-74994"}], "sourceIdentifier": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}, {"lang": "en", "value": "CWE-1289"}], "source": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[17.0,27.3.4.17)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[28.0,28.5.0.6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[29.0,29.0.6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[5.10,9.3.2.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[9.4,9.6.2.3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[9.7,9.7.2)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "code_commit", "value": "6982e381137ede21a4e1faf5fa2dd82321691176"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "code_commit", "value": "c5ccec8ed25c70ec6557fd81277e4b2f52285c19"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "code_commit", "value": "6101cb74ff2870718c622ba7af0c100f7f2524e3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "84adefa331c4159d432d22840663c38f155cd4c1"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "erlang/otp", "vendor": "erlang"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[17.0,27.3.4.17)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[28.0,28.5.0.6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[29.0,29.0.6)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "OTP", "source": "cna", "vendor": "Erlang"}, "product": "otp", "vendor": "erlang"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[5.10,9.3.2.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[9.4,9.6.2.3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[9.7,9.7.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "OTP", "source": "cna", "vendor": "Erlang"}, "product": "otp", "vendor": "erlang"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": {"scheme": "code_commit", "value": "6982e381137ede21a4e1faf5fa2dd82321691176"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "code_commit", "value": "c5ccec8ed25c70ec6557fd81277e4b2f52285c19"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "code_commit", "value": "6101cb74ff2870718c622ba7af0c100f7f2524e3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "84adefa331c4159d432d22840663c38f155cd4c1"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "OTP", "source": "cna", "vendor": "Erlang"}, "product": "otp", "vendor": "erlang"}], "created": "2026-09-01T17:15:05.385102+00:00", "updated": "2026-09-01T18:15:04.092341+00:00", "vendors": ["erlang", "erlang$PRODUCT$erlang/otp", "erlang$PRODUCT$otp"]}