CVE-2026-45674
A remote, anonymous attacker can exploit multiple vulnerabilities in Netty to bypass security measures, manipulate data, disclose confidential information, or cause a denial-of-service condition.
CSIRTS triage
- What
- Multiple vulnerabilities allow a remote, anonymous attacker to bypass security measures, manipulate data, disclose confidential information, or cause a denial-of-service condition.
- Who is affected
- Deployments of Netty.
- Urgency
- Remediation is high urgency due to the severity and potential for exploitation.
- Action
- Update to the latest version of Netty.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 13% of all EPSS-scored CVEs.
Advisory coverage (2)
- high[UPDATE] [high] Netty: Multiple vulnerabilitiescert-bund · 2026-07-10
- highGHSA-676x-f7gg-47vc: Netty Vulnerable to DNS Cache Poisoning via Missing Bailiwick Checks in CNAME Recordsghsa · 2026-06-08
External references
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[](https://www.csirts.com/cve/CVE-2026-45674)