🔴 《严重安全漏洞：CVE-2026-45363》

CVSS 评分: 严重（9.1）　　状态: Received　　发布时间: 2026-07-14

漏洞描述

ruby-jwt is a Ruby implementation of the RFC 7519 OAuth JSON Web Token standard. Prior to 2.10.3 and 3.2.0, JWT.decode(token, '', true, algorithm: 'HS256') accepts an attacker-forged token because OpenSSL::HMAC.digest('SHA256', '', payload) returns a valid digest under an empty key and no empty-key precondition exists in the HMAC algorithm. The same path is reached when a keyfinder block or key_finder: argument returns an empty string, nil, or an array containing nil for an unknown key, affecting HS256, HS384, and HS512 verification through JWT.decode and JWT::EncodedToken#verify_signature!. This issue is fixed in versions 2.10.3 and 3.2.0.

🔍 技术细节

字段 值
CVE ID CVE-2026-45363
CVSS 评分 9.1 🔴
严重程度 严重
CVSS 向量 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE 分类 CWE-287,CWE-326,CWE-1391
发布时间 2026-07-14
最后更新 2026-07-14
状态 Received
数据来源 security-advisories@github.com

🔗 参考链接