{"id":"CVE-2026-28368","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-28368","generatedAt":"2026-10-28T03:25:03.050Z","title":"This vulnerability allows a remote attacker to construct specially crafted requests where header names are parsed differently by Undertow compared to upstream proxies.","description":"A flaw was found in Undertow. This vulnerability allows a remote attacker to construct specially crafted requests where header names are parsed differently by Undertow compared to upstream proxies. This discrepancy in header interpretation can be exploited to launch request smuggling attacks, potentially bypassing security controls and accessing unauthorized resources.","published":"2026-03-27T17:16:28.000Z","lastModified":"2026-10-26T21:10:00.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.1","score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"},"cwe":["CWE-444"],"affected":["redhat/build of apache camel - hawtio","redhat/build of apache camel for spring boot","redhat/data grid","redhat/fuse","redhat/jboss enterprise application platform","redhat/jboss enterprise application platform expansion pack","redhat/process automation","redhat/single sign-on","redhat/undertow","redhat/enterprise linux"],"epss":{"score":0.00732,"percentile":0.54032,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:25125","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:25126","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-28368","tags":["Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2443261","tags":["Issue Tracking","Vendor Advisory"],"source":"secalert@redhat.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-28368","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}