{"id":"CVE-2026-73276","state":"PUBLISHED","title":"inets, httpd: HTTP Request Smuggling via Whitespace-Before-Colon Header Dropping i","description":"Gracefulness code ignored cases that should be rejected, resulting in possible HTTP Request Smuggling opportunities.\n\nThis issue affects OTP from OTP 22.2 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 7.1.2 before 9.3.2.7, from 9.4 before 9.6.2.3, and from 9.7 before 9.7.2.","publishedAt":"2026-09-01T14:41:24.565Z","updatedAt":"2026-09-08T01:10:02.081Z","severity":{"score":8.3,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","source":"EEF"},"assigner":"EEF","products":["Erlang OTP"],"affected":[{"vendor":"Erlang","product":"OTP","packageName":"otp","packageURL":"pkg:software-id/erlang.org/otp","defaultStatus":"unaffected","versions":[{"version":"22.2","status":"affected","lessThan":"27.3.4.17","versionType":"otp"},{"version":"28.0","status":"affected","lessThan":"28.5.0.6","versionType":"otp"},{"version":"29.0","status":"affected","lessThan":"29.0.6","versionType":"otp"}],"cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"]},{"vendor":"Erlang","product":"OTP","packageName":"inets","packageURL":"pkg:otp/inets","defaultStatus":"unaffected","versions":[{"version":"7.1.2","status":"affected","lessThan":"9.3.2.7","versionType":"otp"},{"version":"9.4","status":"affected","lessThan":"9.6.2.3","versionType":"otp"},{"version":"9.7","status":"affected","lessThan":"9.7.2","versionType":"otp"}],"cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"repo":"https://github.com/erlang/otp"},{"vendor":"Erlang","product":"OTP","packageName":"erlang/otp","packageURL":"pkg:github/erlang/otp","defaultStatus":"unaffected","versions":[{"version":"c06db0bedf49a9b40725745e73fa82e562612815","status":"affected","lessThan":"*","changes":[{"at":"60add5a19e2154560fdff3fe92dba14a68bbd683","status":"unaffected"},{"at":"6cd995e34d3bb3d36dd278dded2d62c25e71820c","status":"unaffected"},{"at":"c285240c6e4b93960c5dc4f17ba04e6fdfb27a0f","status":"unaffected"}],"versionType":"git"}],"collectionURL":"https://github.com","cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"repo":"https://github.com/erlang/otp"}],"references":["https://github.com/erlang/otp/security/advisories/GHSA-6v7q-jwgh-cx8p","https://cna.erlef.org/cves/CVE-2026-73276.html","https://osv.dev/vulnerability/EEF-CVE-2026-73276","https://github.com/erlang/otp/commit/60add5a19e2154560fdff3fe92dba14a68bbd683","https://github.com/erlang/otp/commit/6cd995e34d3bb3d36dd278dded2d62c25e71820c","https://github.com/erlang/otp/commit/c285240c6e4b93960c5dc4f17ba04e6fdfb27a0f"],"weaknesses":["CWE-444"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/73xxx/CVE-2026-73276.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73276","state":"PUBLISHED","datePublished":"2026-09-01T14:41:24.565Z","dateUpdated":"2026-09-08T01:10:02.081Z","assignerShortName":"EEF","assignerOrgId":"6b3ad84c-e1a6-4bf7-a703-f496b71e49db","dateReserved":"2026-08-12T20:00:01.107Z"},"containers":{"cna":{"title":"inets, httpd: HTTP Request Smuggling via Whitespace-Before-Colon Header Dropping i","descriptions":[{"lang":"en","value":"Gracefulness code ignored cases that should be rejected, resulting in possible HTTP Request Smuggling opportunities.\n\nThis issue affects OTP from OTP 22.2 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 7.1.2 before 9.3.2.7, from 9.4 before 9.6.2.3, and from 9.7 before 9.7.2."}],"affected":[{"vendor":"Erlang","product":"OTP","packageName":"otp","packageURL":"pkg:software-id/erlang.org/otp","defaultStatus":"unaffected","versions":[{"version":"22.2","status":"affected","lessThan":"27.3.4.17","versionType":"otp"},{"version":"28.0","status":"affected","lessThan":"28.5.0.6","versionType":"otp"},{"version":"29.0","status":"affected","lessThan":"29.0.6","versionType":"otp"}],"cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"]},{"vendor":"Erlang","product":"OTP","packageName":"inets","packageURL":"pkg:otp/inets","defaultStatus":"unaffected","versions":[{"version":"7.1.2","status":"affected","lessThan":"9.3.2.7","versionType":"otp"},{"version":"9.4","status":"affected","lessThan":"9.6.2.3","versionType":"otp"},{"version":"9.7","status":"affected","lessThan":"9.7.2","versionType":"otp"}],"cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"repo":"https://github.com/erlang/otp"},{"vendor":"Erlang","product":"OTP","packageName":"erlang/otp","packageURL":"pkg:github/erlang/otp","defaultStatus":"unaffected","versions":[{"version":"c06db0bedf49a9b40725745e73fa82e562612815","status":"affected","lessThan":"*","changes":[{"at":"60add5a19e2154560fdff3fe92dba14a68bbd683","status":"unaffected"},{"at":"6cd995e34d3bb3d36dd278dded2d62c25e71820c","status":"unaffected"},{"at":"c285240c6e4b93960c5dc4f17ba04e6fdfb27a0f","status":"unaffected"}],"versionType":"git"}],"collectionURL":"https://github.com","cpes":["cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"],"repo":"https://github.com/erlang/otp"}],"references":[{"url":"https://github.com/erlang/otp/security/advisories/GHSA-6v7q-jwgh-cx8p","tags":["vendor-advisory"]},{"url":"https://cna.erlef.org/cves/CVE-2026-73276.html","tags":["related"]},{"url":"https://osv.dev/vulnerability/EEF-CVE-2026-73276","tags":["related"]},{"url":"https://github.com/erlang/otp/commit/60add5a19e2154560fdff3fe92dba14a68bbd683","tags":["patch"]},{"url":"https://github.com/erlang/otp/commit/6cd995e34d3bb3d36dd278dded2d62c25e71820c","tags":["patch"]},{"url":"https://github.com/erlang/otp/commit/c285240c6e4b93960c5dc4f17ba04e6fdfb27a0f","tags":["patch"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":8.3,"baseSeverity":"HIGH","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:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-444","description":"CWE-444 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