{"id":"CVE-2026-25151","aliases":["EUVD-2026-5167","GHSA-r666-8gjf-4v5f"],"status":"published","title":"Qwik City has a CSRF Protection Bypass via Content-Type Header Validation","description":"Qwik is a performance focused javascript framework. Prior to version 1.19.0, Qwik City’s server-side request handler inconsistently interprets HTTP request headers, which can be abused by a remote attacker to circumvent form submission CSRF protections using specially crafted or multi-valued Content-Type headers. This issue has been patched in version 1.19.0.","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":"2026-11-09","score":0.00181,"percentile":0.07734,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-352"],"published":"2026-02-03T20:49:58Z","modified":"2026-10-28T02:31:06Z","fixes":[{"ecosystem":"npm","package":"@builder.io/qwik-city","fixed_in":["1.19.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"@builder.io/qwik-city","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.19.0"}]}]},{"source":"osv","ecosystem":"npm","package":"@builder.io/qwik-city","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.19.0"}]}]}],"products":[{"vendor":"qwik","product":"qwik"},{"vendor":"qwikdev","product":"qwik"}],"references":[{"url":"https://github.com/QwikDev/qwik/security/advisories/GHSA-r666-8gjf-4v5f","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory","web"]},{"url":"https://github.com/QwikDev/qwik/commit/eebf610e04cc3a690f11e10191d09ff0fca1c7ed","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25151","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-r666-8gjf-4v5f"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25151.json","tags":["advisory"]},{"url":"https://github.com/QwikDev/qwik","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-25151","title":"Qwik City has a CSRF Protection Bypass via Content-Type Header Validation","description":"Qwik is a performance focused javascript framework. Prior to version 1.19.0, Qwik City’s server-side request handler inconsistently interprets HTTP request headers, which can be abused by a remote attacker to circumvent form submission CSRF protections using specially crafted or multi-valued Content-Type headers. This issue has been patched in version 1.19.0.","status":"published","published":"2026-02-03T21:12:25.699Z","modified":"2026-02-04T16:59:15.226Z","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":"2026-11-02T13:41:30.911526Z"}],"euvd":[{"id":"EUVD-2026-5167","description":"Qwik is a performance focused javascript framework. Prior to version 1.19.0, Qwik City’s server-side request handler inconsistently interprets HTTP request headers, which can be abused by a remote attacker to circumvent form submission CSRF protections using specially crafted or multi-valued Content-Type headers. This issue has been patched in version 1.19.0.","status":"published","published":"2026-02-03T21:12:25Z","modified":"2026-02-04T16:59:15Z","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":"2026-11-02T19:48:44.193176Z"}],"ghsa":[{"id":"GHSA-r666-8gjf-4v5f","title":"Qwik City has a CSRF Protection Bypass via Content-Type Header Validation","description":"### Summary\nQwik City’s server-side request handler inconsistently interprets HTTP request headers, which can be abused by a remote attacker to circumvent form submission CSRF protections using specially crafted or multi-valued Content-Type headers.\n\n### Impact\nA vulnerability in checkCSRF lets an attacker bypass Origin-based CSRF checks by using malformed or multi-valued Content-Type headers. Exploitation requires the CORS preflight to succeed (so it’s blocked if preflight is denied) and is possible when the application accepts cross-origin requests or via non-browser clients. Impact varies with server CORS and cookie policies and may enable unauthorized state changes.","status":"published","published":"2026-02-03T20:49:58Z","modified":"2026-02-04T17:45:48Z","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":"2026-11-02T14:39:22.637668Z"}],"nvd":[{"id":"CVE-2026-25151","description":"Qwik is a performance focused javascript framework. Prior to version 1.19.0, Qwik City’s server-side request handler inconsistently interprets HTTP request headers, which can be abused by a remote attacker to circumvent form submission CSRF protections using specially crafted or multi-valued Content-Type headers. This issue has been patched in version 1.19.0.","status":"published","published":"2026-02-03T22:16:30.84Z","modified":"2026-06-17T10:24:11.873Z","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":"2026-11-02T14:12:05.149641Z"}],"osv":[{"id":"CVE-2026-25151","title":"Qwik City has a CSRF Protection Bypass via Content-Type Header Validation","description":"Qwik is a performance focused javascript framework. Prior to version 1.19.0, Qwik City’s server-side request handler inconsistently interprets HTTP request headers, which can be abused by a remote attacker to circumvent form submission CSRF protections using specially crafted or multi-valued Content-Type headers. This issue has been patched in version 1.19.0.","status":"published","published":"2026-02-03T21:12:25.699Z","modified":"2026-10-28T02:31:06.859705367Z","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":"2026-11-02T15:44:59.438965Z"},{"id":"GHSA-r666-8gjf-4v5f","title":"Qwik City has a CSRF Protection Bypass via Content-Type Header Validation","description":"### Summary\nQwik City’s server-side request handler inconsistently interprets HTTP request headers, which can be abused by a remote attacker to circumvent form submission CSRF protections using specially crafted or multi-valued Content-Type headers.\n\n### Impact\nA vulnerability in checkCSRF lets an attacker bypass Origin-based CSRF checks by using malformed or multi-valued Content-Type headers. Exploitation requires the CORS preflight to succeed (so it’s blocked if preflight is denied) and is possible when the application accepts cross-origin requests or via non-browser clients. Impact varies with server CORS and cookie policies and may enable unauthorized state changes.","status":"published","published":"2026-02-03T20:49:58Z","modified":"2026-02-04T18:08:22.625367Z","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":"2026-11-02T15:46:55.480549Z"}]}}