Vulnerability in Netty
CVE-2026-44894
Netty is a network application framework for development of protocol servers and clients. NoQuicTokenHandler is the tokenHandler used when the application does not set one. Prior to version 4.2.15.Final, its writeToken() returns false (ser…
EPSS: 0.001 (4.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Netty — versions >= 4.2.0.Final, < 4.2.15.Final
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_MISC, Release Notes)
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Frequently asked questions
- What is CVE-2026-44894?
- CVE-2026-44894 is a high-severity vulnerability in Netty, classified under Improper Verification of Source of a Communication Channel. CVSS score: 7.5/10. Published 2026-06-12.
- How severe is CVE-2026-44894?
- High severity. CVSS v3 base score is 7.5 out of 10.