Is there a public exploit for CVE-2026-93562?

No public exploit for CVE-2026-93562 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-93562?

CVE-2026-93562 scores CVSS 6.5 (v3.1), rated medium. EPSS puts the chance of exploitation in the next 30 days at 0.41%.

What does CVE-2026-93562 affect?

CVE-2026-93562 affects Red Hat Red Hat build of Keycloak 26.4.

6.5 Medium

A flaw was found in Netty's HTTP/1 decoder.

CVE-2026-93562

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.

Assessment

CVSS: 6.5 (v3.1)
Severity: Medium
EPSS: 0.41% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 18 September 2026
Last updated: 6 November 2026
Affected: Red Hat · Red Hat build of Keycloak 26.4
Assigner: redhat

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

At the source

EUVD (ENISA)

References

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