CVE-2026-56746
An attacker can exploit multiple vulnerabilities in Netty to bypass security measures and manipulate data.
CSIRTS triage
- What
- Multiple vulnerabilities allow an attacker to bypass security measures and manipulate data.
- Who is affected
- Deployments of Netty are affected.
- Urgency
- Remediation is medium urgency as exploitation is not currently reported but vulnerabilities exist.
- Action
- Monitor for updates and apply patches when available.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all EPSS-scored CVEs.
Advisory coverage (3)
- medium[NEW] [medium] Netty: Multiple vulnerabilitiescert-bund · 2026-07-30
- mediumGHSA-6cqp-g7gg-8hr5: Netty: Security Control Bypass via CORS Short-Circuit Failureghsa · 2026-07-22
- mediumCVE-2026-56746: Netty is a network application framework for development of protocol servers and clients. Vers…nvd · 2026-07-21
External references
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[](https://www.csirts.com/cve/CVE-2026-56746)