CVE-2026-93562
mediumA flaw was found in Netty's HTTP/1 decoder.
A flaw was found in Netty's HTTP/1 decoder. Incomplete validation of malformed Transfer-Encoding headers allows a remote attacker to perform HTTP request smuggling. By sending specially crafted HTTP requests, an attacker can inject arbitrary HTTP requests, potentially bypassing security controls or accessing unauthorized resources.
CVSS
6.5
6.5 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N Severity source: NVD CVSS v3.1 (secalert@redhat.com)
Timeline (UTC)
Published: 2026-09-18 21:18
Modified: 2026-10-15 17:17
NVD status: Awaiting Analysis
Last synced 3 days ago
Verified against the source API 2026-10-27 06:54 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://access.redhat.com/errata/RHSA-2026:69440 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2026:69470 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2026:83612 secalert@redhat.com
- https://access.redhat.com/security/cve/CVE-2026-93562 secalert@redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2536951 secalert@redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2536951 134c704f-9b21-4f2e-91b3-4a467353bcc0
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:54 UTC · record ↗