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CVE-2026-59897

nvd nist
Published: Jul 8, 2026Modified: Jul 10, 2026

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5.3
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Exploitability: 3.9 / Impact: 1.4
Source: NVD

Description

Hono is a Web application framework that provides support for any JavaScript runtime. From 4.3.3 before 4.12.27, the AWS API Gateway v1 adapter can drop a distinct repeated request header value because it de-duplicates values using a substring comparison instead of an exact match, so middleware or application logic that depends on the complete X-Forwarded-For chain, rate limiting, audit logging, or proxy-chain validation can receive incomplete data. This issue is fixed in version 4.12.27.

Affected (1)

Products: Hono: Hono
Hono
1 product
Hono
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Hono
From 4.3.3 to 4.12.27

Related CWEs

CWE-348
Use of Less Trusted Source
The product has two different sources of the same data or information, but it uses the source that has less support for verification, is less trusted, or is less resistant to attack.

References (3)

Source: security-advisories@github.com
Patch
Source: security-advisories@github.com
Release Notes
Source: security-advisories@github.com
Vendor Advisory

Timeline

No history available yet.