CVE-2026-56764— Hono - Timing Attack in basicAuth and bearerAuth Middleware
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-56764
Vulnerability Information
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Vulnerability Title
Hono - Timing Attack in basicAuth and bearerAuth Middleware
Source: NVD (National Vulnerability Database)
Vulnerability Description
Hono before 4.11.10 contains a timing attack vulnerability in the basicAuth and bearerAuth middlewares due to non-constant-time string comparison in the timingSafeEqual function. Attackers can exploit early termination of string equality checks to infer valid credentials through precise timing measurements.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
通过时间差异性导致的信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Hono 侧信道信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hono是Hono团队开源的一个用 TypeScript 编写的 Web 框架。 Hono 4.11.10之前版本存在侧信道信息泄露漏洞，该漏洞源于timingSafeEqual函数中字符串比较非恒定时间，攻击者可利用早期终止的字符串相等性检查，通过精确的时间测量推断有效凭据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-56764
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Vendor Advisories for CVE-2026-56764 (1)
Other References for CVE-2026-56764 (1)
IV. Related Vulnerabilities
Same product: Hono
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Hono - Vary Header Injection in CORS Middleware
Same weakness: CWE-208
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HCL BigFix Platform is affected by a user enumeration vulner - CVE-2026-54736
Phalcon: Non-constant-time HMAC verification in `Encryption\ - CVE-2026-59218
Open WebUI: Account enumeration via observable login timing - CVE-2026-15041
389-ds-base: 389-ds-base: non-constant-time comparison in pb
V. Comments for CVE-2026-56764
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