THREAT OPS › Threat News › [NVD] CVE-2026-28368 (HIGH 8.7) — 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 smugg
[NVD] CVE-2026-28368 (HIGH 8.7) — 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 smugg
CVE-2026-28368 CVSS: 8.7 HIGH Published: 2026-03-27T17:16:27.993
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
Indicators of compromise
- CVE-2026-28368cve
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-28368