{"id":"GHSA-rpfr-3m35-5vx5","revision":null,"records":[{"revision":"b1f248486ae5459fb895264cf55107c6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-43787","aliases":[],"title":"Hono CSRF middleware can be bypassed using crafted Content-Type header","description":"Hono is a Web application framework that provides support for any JavaScript runtime. Hono CSRF middleware can be bypassed using crafted Content-Type header. MIME types are case insensitive, but isRequestedByFormElementRe only matches lower-case. As a result, attacker can bypass csrf middleware using upper-case form-like MIME type. This vulnerability is fixed in 4.5.8.","state":0,"publishedAt":"2024-08-22T14:23:44.025+00:00","modifiedAt":"2024-08-22T15:40:32.051+00:00","affected":[{"ecosystem":"Vendor product","name":"hono","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"honojs\",\n                    \"product\": \"hono\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 4.5.8\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L","score":5,"severity":"MEDIUM"}],"references":["https://github.com/honojs/hono/security/advisories/GHSA-rpfr-3m35-5vx5","https://github.com/honojs/hono/commit/41ce840379516410dee60c783142e05bb5a22449","https://github.com/honojs/hono/blob/b0af71fbcc6dbe44140ea76f16d68dfdb32a99a0/src/middleware/csrf/index.ts#L16-L17"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-43787","license":"CVE Program Terms of Use","key":"cve-program:CVE-2024-43787","identifiers":["CVE-2024-43787"]},"retained":false,"historicalAffected":[]},{"revision":"7f1290fab90a4c4597d2afd131c3a557","observedAt":"2026-11-15T02:34:17.241+00:00","statement":{"source":"euvd","id":"EUVD-2024-2653","aliases":["CVE-2024-43787","GHSA-rpfr-3m35-5vx5"],"title":"Hono is a Web application framework that provides support for any JavaScript runtime. Hono CSRF middleware can be bypassed using crafted Content-Type header. MIME types are case insensitive, but isRequestedByFormElementRe only matches lower…","description":"Hono is a Web application framework that provides support for any JavaScript runtime. Hono CSRF middleware can be bypassed using crafted Content-Type header. MIME types are case insensitive, but isRequestedByFormElementRe only matches lower-case. As a result, attacker can bypass csrf middleware using upper-case form-like MIME type. This vulnerability is fixed in 4.5.8.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L","score":5,"severity":null}],"references":["https://github.com/honojs/hono/security/advisories/GHSA-rpfr-3m35-5vx5","https://github.com/honojs/hono/commit/41ce840379516410dee60c783142e05bb5a22449","https://github.com/honojs/hono/blob/b0af71fbcc6dbe44140ea76f16d68dfdb32a99a0/src/middleware/csrf/index.ts#L16-L17"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-2653","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Aug 22, 2024, 2:23:44 PM","dateUpdated":"Aug 22, 2024, 3:40:32 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2024-2653","identifiers":["EUVD-2024-2653","CVE-2024-43787","GHSA-rpfr-3m35-5vx5"]},"retained":false,"historicalAffected":[]},{"revision":"7c3c93f204b34f88922fe96f64666aa7","observedAt":"2026-10-25T00:17:28.27+00:00","statement":{"source":"nvd","id":"CVE-2024-43787","aliases":[],"title":"Hono is a Web application framework that provides support for any JavaScript runtime. Hono CSRF middleware can be bypassed using crafted Content-Type header. MIME types are case insensitive, but isRequestedByFormElementRe only matches lower…","description":"Hono is a Web application framework that provides support for any JavaScript runtime. Hono CSRF middleware can be bypassed using crafted Content-Type header. MIME types are case insensitive, but isRequestedByFormElementRe only matches lower-case. As a result, attacker can bypass csrf middleware using upper-case form-like MIME type. This vulnerability is fixed in 4.5.8.","state":0,"publishedAt":"2024-08-22T15:15:16.857+00:00","modifiedAt":"2026-06-17T07:51:42.86+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L","score":5,"severity":"MEDIUM"}],"references":["https://github.com/honojs/hono/blob/b0af71fbcc6dbe44140ea76f16d68dfdb32a99a0/src/middleware/csrf/index.ts#L16-L17","https://github.com/honojs/hono/commit/41ce840379516410dee60c783142e05bb5a22449","https://github.com/honojs/hono/security/advisories/GHSA-rpfr-3m35-5vx5"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-43787","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-352"],"productCriteria":["cpe:2.3:a:hono:hono:*:*:*:*:*:node.js:*:*"],"sourceDates":{"published":"2024-08-22T15:15:16.857","lastModified":"2026-06-17T07:51:42.860"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2024-43787","identifiers":["CVE-2024-43787"]},"retained":false,"historicalAffected":[]},{"revision":"9f26e2004e6d4fd38d61e525e6f21ed9","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-rpfr-3m35-5vx5","aliases":["CVE-2024-43787"],"title":"Hono CSRF middleware can be bypassed using crafted Content-Type header","description":"### Summary\n\nHono CSRF middleware can be bypassed using crafted Content-Type header.\n\n### Details\n\nMIME types are case insensitive, but `isRequestedByFormElementRe` only matches lower-case.\n\nhttps://github.com/honojs/hono/blob/b0af71fbcc6dbe44140ea76f16d68dfdb32a99a0/src/middleware/csrf/index.ts#L16-L17\n\nAs a result, attacker can bypass csrf middleware using upper-case form-like MIME type, such as \"Application/x-www-form-urlencoded\".\n\n### PoC\n\n```html\n<html>\n  <head>\n    <title>CSRF Test</title>\n    <script defer>\n      document.addEventListener(\"DOMContentLoaded\", () => {\n        document.getElementById(\"btn\").addEventListener(\"click\", async () => {\n          const res = await fetch(\"http://victim.example.com/test\", {\n            method: \"POST\",\n            credentials: \"include\",\n            headers: {\n              \"Content-Type\": \"Application/x-www-form-urlencoded\",\n            },\n          });\n        });\n      });\n    </script>\n  </head>\n  <body>\n    <h1>CSRF Test</h1>\n    <button id=\"btn\">Click me!</button>\n  </body>\n</html>\n```\n\n### Impact\n\nBypass csrf protection implemented with hono csrf middleware.\n\n### Discussion\n\nI'm not sure that omitting csrf checks for Simple POST request is a good idea.\nCSRF prevention and CORS are different concepts even though CORS can prevent CSRF in some cases.\n","state":0,"publishedAt":"2024-08-22T16:41:08+00:00","modifiedAt":"2026-09-10T03:50:55.3805587+00:00","affected":[{"ecosystem":"npm","name":"hono","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"4.5.8"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L","score":null,"severity":null},{"system":"CVSS_V4","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"LOW"}],"references":["https://github.com/honojs/hono/security/advisories/GHSA-rpfr-3m35-5vx5","https://nvd.nist.gov/vuln/detail/CVE-2024-43787","https://github.com/honojs/hono/commit/41ce840379516410dee60c783142e05bb5a22449","https://github.com/honojs/hono","https://github.com/honojs/hono/blob/b0af71fbcc6dbe44140ea76f16d68dfdb32a99a0/src/middleware/csrf/index.ts#L16-L17"],"sourceUrl":"https://github.com/advisories/GHSA-rpfr-3m35-5vx5","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-rpfr-3m35-5vx5","identifiers":["GHSA-rpfr-3m35-5vx5","CVE-2024-43787"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-15T11:05:17.2943378+00:00","complete":true,"records":1781,"lastAttemptAt":"2026-11-15T11:05:17.2943378+00:00","lastSuccessAt":"2026-11-15T11:05:17.4673918+00:00","error":null,"lastVerifiedAt":"2026-11-15T11:05:17.4673928+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-7de4d7559a5263003f03d9f70577ab06f92ba4178309f26fce53e22a4a959294-f90179050d1e68c26defb06294e68ca9aad67fa6285a72a309f2510089445b08","complete":true,"records":425787,"lastAttemptAt":"2026-11-15T11:01:58.8542146+00:00","lastSuccessAt":"2026-11-15T11:01:58.8389797+00:00","error":null,"lastVerifiedAt":"2026-11-15T11:01:58.8542146+00:00","snapshotPublishedAt":"2026-11-15T10:28:09+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-f981543109394c8f9b3df5737aa835e7","complete":false,"records":13821,"lastAttemptAt":"2026-11-15T11:15:00.6236179+00:00","lastSuccessAt":"2026-11-15T11:15:00.619+00:00","error":"257 identifier lookups failed; latest failures include AccessDenied (HTTP 403). Other identifiers were checked independently.","lastVerifiedAt":"2026-11-15T11:15:00.619+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13558,"expectedIdentifiers":13874,"failedIdentifiers":257},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-15T11:05:17.2943378+00:00","complete":true,"records":1125,"lastAttemptAt":"2026-11-15T11:05:17.2943378+00:00","lastSuccessAt":"2026-11-15T11:05:17.4693563+00:00","error":null,"lastVerifiedAt":"2026-11-15T11:05:17.4693566+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-d33b5144615b488f88b7a7390696bc39","complete":true,"records":13833,"lastAttemptAt":"2026-11-15T11:05:18.0594066+00:00","lastSuccessAt":"2026-11-15T10:02:36.038+00:00","error":null,"lastVerifiedAt":"2026-11-15T10:02:36.038+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13874,"expectedIdentifiers":13874,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-64eea06dbd27de8464d5dbce1b78cc794cc59e2d901516ae0d3ea76e624cdae0","complete":true,"records":9955,"lastAttemptAt":"2026-11-15T11:05:12.198625+00:00","lastSuccessAt":"2026-11-14T13:57:23.1208135+00:00","error":null,"lastVerifiedAt":"2026-11-15T11:05:12.198625+00:00","snapshotPublishedAt":"2026-11-14T13:17:57+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-f4424d7d4861b1af1404bd15abcb83f295dcd003412a9340ca99dc8200aa148a","complete":true,"records":2014,"lastAttemptAt":"2026-11-15T11:01:59.0034935+00:00","lastSuccessAt":"2026-11-13T19:57:08.2864435+00:00","error":null,"lastVerifiedAt":"2026-11-15T11:01:59.0034935+00:00","snapshotPublishedAt":"2026-11-13T19:33:10+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-6086d649bcb454cdf302d7d9275177bda73550e1b6e446b3520e9b6266d3582c","complete":true,"records":3148,"lastAttemptAt":"2026-11-15T11:05:17.2566792+00:00","lastSuccessAt":"2026-11-15T11:05:17.1034234+00:00","error":null,"lastVerifiedAt":"2026-11-15T11:05:17.2566792+00:00","snapshotPublishedAt":"2026-11-15T10:03:04+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-ff18f36f13fcca3a20a3fb9274b59b8872d18869a99071730e1e79b625c8f612","complete":true,"records":232475,"lastAttemptAt":"2026-11-15T11:05:12.0533004+00:00","lastSuccessAt":"2026-11-15T11:05:10.4195883+00:00","error":null,"lastVerifiedAt":"2026-11-15T11:05:12.0533004+00:00","snapshotPublishedAt":"2026-11-15T10:33:06+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}