Source: undertow X-Debbugs-CC: [email protected] Severity: important Tags: security
Hi, The following vulnerability was published for undertow. CVE-2026-28369[0]: | A flaw was found in Undertow. When Undertow receives an HTTP request | where the first header line starts with one or more spaces, it | incorrectly processes the request by stripping these leading spaces. | This behavior, which violates HTTP standards, can be exploited by a | remote attacker to perform request smuggling. Request smuggling | allows an attacker to bypass security mechanisms, access restricted | information, or manipulate web caches, potentially leading to | unauthorized actions or data exposure. https://bugzilla.redhat.com/show_bug.cgi?id=2443262 If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2026-28369 https://www.cve.org/CVERecord?id=CVE-2026-28369 Please adjust the affected versions in the BTS as needed. __ This is the maintainer address of Debian's Java team <https://alioth-lists.debian.net/cgi-bin/mailman/listinfo/pkg-java-maintainers>. Please use [email protected] for discussions and questions.
