{"affected":[{"defaultStatus":"unknown","ecosystem":"software-id","packageName":"otp","product":"OTP","source":"CNA: EEF","vendor":"Erlang","versions":[{"changes":[{"at":"27.3.4.17","status":"unaffected"},{"at":"28.5.0.6","status":"unaffected"},{"at":"29.0.6","status":"unaffected"}],"lessThan":"*","status":"affected","version":"17.0","versionType":"otp"}]},{"defaultStatus":"unknown","ecosystem":"otp","packageName":"inets","product":"OTP","source":"CNA: EEF","vendor":"Erlang","versions":[{"changes":[{"at":"9.3.2.7","status":"unaffected"},{"at":"9.6.2.3","status":"unaffected"},{"at":"9.7.2","status":"unaffected"}],"lessThan":"*","status":"affected","version":"5.10","versionType":"otp"}]},{"defaultStatus":"unknown","ecosystem":"github","packageName":"erlang/otp","product":"OTP","source":"CNA: EEF","vendor":"Erlang","versions":[{"changes":[{"at":"6982e381137ede21a4e1faf5fa2dd82321691176","status":"unaffected"},{"at":"c5ccec8ed25c70ec6557fd81277e4b2f52285c19","status":"unaffected"},{"at":"6101cb74ff2870718c622ba7af0c100f7f2524e3","status":"unaffected"}],"lessThan":"*","status":"affected","version":"84adefa331c4159d432d22840663c38f155cd4c1","versionType":"git"},{"lessThan":"*","status":"unaffected","version":"6982e381137ede21a4e1faf5fa2dd82321691176","versionType":"git"},{"lessThan":"*","status":"unaffected","version":"c5ccec8ed25c70ec6557fd81277e4b2f52285c19","versionType":"git"},{"lessThan":"*","status":"unaffected","version":"6101cb74ff2870718c622ba7af0c100f7f2524e3","versionType":"git"}]}],"cveId":"CVE-2026-74994","cwes":["CWE-863","CWE-1289"],"description":"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 17.0 before OTP 27.3.4.17, OTP 28.5.0.6, and OTP 29.0.6, corresponding to inets from 5.10 before 9.3.2.7, 9.6.2.3, and 9.7.2. Whether OTP before OTP 17.0, corresponding to inets before 5.10, is affected is unknown.","epss":{"date":"2026-11-10","percentile":0.5069,"score":0.00633},"exploits":[],"kev":null,"metrics":[{"score":6,"severity":"medium","source":"CNA: EEF","vector":"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","version":"4.0"}],"modifiedAt":1794404744238,"publishedAt":1788273957537,"references":[{"source":"CNA: EEF","tags":["vendor-advisory"],"url":"https://github.com/erlang/otp/security/advisories/GHSA-c3cq-q8x6-547g"},{"source":"CNA: EEF","tags":["related"],"url":"https://cna.erlef.org/cves/CVE-2026-74994.html"},{"source":"CNA: EEF","tags":["related"],"url":"https://osv.dev/vulnerability/EEF-CVE-2026-74994"},{"source":"CNA: EEF","tags":["x_version-scheme"],"url":"https://www.erlang.org/doc/system/versions.html#order-of-versions"},{"source":"CNA: EEF","tags":["patch"],"url":"https://github.com/erlang/otp/commit/6982e381137ede21a4e1faf5fa2dd82321691176"},{"source":"CNA: EEF","tags":["patch"],"url":"https://github.com/erlang/otp/commit/c5ccec8ed25c70ec6557fd81277e4b2f52285c19"},{"source":"CNA: EEF","tags":["patch"],"url":"https://github.com/erlang/otp/commit/6101cb74ff2870718c622ba7af0c100f7f2524e3"}],"remediation":[{"kind":"fix","source":"CNA: EEF","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/erlang/otp/commit/6982e381137ede21a4e1faf5fa2dd82321691176"},{"kind":"fix","source":"CNA: EEF","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/erlang/otp/commit/c5ccec8ed25c70ec6557fd81277e4b2f52285c19"},{"kind":"fix","source":"CNA: EEF","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/erlang/otp/commit/6101cb74ff2870718c622ba7af0c100f7f2524e3"}],"revision":"139a7ed77431d0495800a7d767c3f35526a0d781632c068f4c52b4eee650a0a5","sources":[{"modifiedAt":1794404744238,"name":"CNA: EEF","retrievedAt":1794406209231,"url":"https://www.cve.org/CVERecord?id=CVE-2026-74994"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794406223410,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-74994"}],"ssvc":{"assessedAt":1788278265946,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"inets, httpd: Authentication Bypass via Directory Namespace Collapse in httpd mod_auth","updatedAt":1794406223410}