{"id":"CVE-2026-26365","aliases":["EUVD-2026-7487","GHSA-fhhg-8jv8-7rcw"],"status":"published","title":"Akamai Ghost on Akamai CDN edge servers before 2026-02-06 mishandles processing of custom hop-by...","description":"Akamai Ghost on Akamai CDN edge servers before 2026-02-06 mishandles processing of custom hop-by-hop HTTP headers, where an incoming request containing the header \"Connection: Transfer-Encoding\" could result in a forward request with invalid message framing, depending on the Akamai processing path. This could result in the origin server parsing the request body incorrectly, leading to HTTP request smuggling.","severity":{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00201,"percentile":0.10155,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-444"],"published":"2026-02-23T00:00:00Z","modified":"2026-06-17T10:26:09Z","products":[{"vendor":"akamai","product":"ghost"},{"vendor":"tryghost","product":"ghost"}],"references":[{"url":"https://www.akamai.com/blog/security-research/cve-2026-26365-incorrect-processing-connection-transfer-encoding"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26365"},{"url":"https://github.com/advisories/GHSA-fhhg-8jv8-7rcw"}],"sources":{"cve":[{"id":"CVE-2026-26365","description":"Akamai Ghost on Akamai CDN edge servers before 2026-02-06 mishandles processing of custom hop-by-hop HTTP headers, where an incoming request containing the header \"Connection: Transfer-Encoding\" could result in a forward request with invalid message framing, depending on the Akamai processing path. This could result in the origin server parsing the request body incorrectly, leading to HTTP request smuggling.","status":"published","published":"2026-02-23T00:00:00Z","modified":"2026-02-23T20:58:59.805Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T13:38:20.971157Z"}],"euvd":[{"id":"EUVD-2026-7487","description":"Akamai Ghost on Akamai CDN edge servers before 2026-02-06 mishandles processing of custom hop-by-hop HTTP headers, where an incoming request containing the header \"Connection: Transfer-Encoding\" could result in a forward request with invalid message framing, depending on the Akamai processing path. This could result in the origin server parsing the request body incorrectly, leading to HTTP request smuggling.","status":"published","published":"2026-02-23T00:00:00Z","modified":"2026-02-23T20:58:59Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:48:32.158773Z"}],"ghsa":[{"id":"GHSA-fhhg-8jv8-7rcw","title":"Akamai Ghost on Akamai CDN edge servers before 2026-02-06 mishandles processing of custom hop-by...","description":"Akamai Ghost on Akamai CDN edge servers before 2026-02-06 mishandles processing of custom hop-by-hop HTTP headers, where an incoming request containing the header \"Connection: Transfer-Encoding\" could result in a forward request with invalid message framing, depending on the Akamai processing path. This could result in the origin server parsing the request body incorrectly, leading to HTTP request smuggling.","status":"published","published":"2026-02-23T09:31:24Z","modified":"2026-02-23T09:31:24Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T15:06:19.172449Z"}],"nvd":[{"id":"CVE-2026-26365","description":"Akamai Ghost on Akamai CDN edge servers before 2026-02-06 mishandles processing of custom hop-by-hop HTTP headers, where an incoming request containing the header \"Connection: Transfer-Encoding\" could result in a forward request with invalid message framing, depending on the Akamai processing path. This could result in the origin server parsing the request body incorrectly, leading to HTTP request smuggling.","status":"published","published":"2026-02-23T09:17:01.21Z","modified":"2026-06-17T10:26:09.203Z","cvss":[{"version":"3.1","score":4,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-444"],"updated_at":"2026-11-02T14:12:06.63895Z"}]}}