CVE-2026-30246

Fiber is a web framework for Go. In github.com/gofiber/fiber/v3 versions through 3.1.0, the default key generator in the cache middleware uses only the request path and does not include the query string. As a result, requests for the same path with different query parameters can share a cache key and receive the wrong cached response. This can cause response mix-up for query-dependent endpoints and may expose data intended for a different request. This issue is fixed after version 3.1.0.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/gofiber/fiber/blob/main/middleware/cache/cache_test.go#L599-L621	Product
https://github.com/gofiber/fiber/blob/main/middleware/cache/config.go#L90-L92	Product
https://github.com/gofiber/fiber/security/advisories/GHSA-35hp-hqmv-8qg8	Exploit Vendor Advisory
https://github.com/gofiber/fiber/security/advisories/GHSA-35hp-hqmv-8qg8	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:gofiber:fiber:*:*:*:*:*:go:*:*

History

26 Oct 2026, 19:10

Type	Values Removed	Values Added
Summary		(es) Fiber es un web framework para Go. En las versiones de github.com/gofiber/fiber/v3 hasta la 3.1.0, el generador de claves predeterminado en el middleware de caché utiliza solo la ruta de la solicitud y no incluye la cadena de consulta. Como resultado, las solicitudes para la misma ruta con diferentes parámetros de consulta pueden compartir una clave de caché y recibir la respuesta en caché incorrecta. Esto puede causar una mezcla de respuestas para endpoints dependientes de la consulta y puede exponer datos destinados a una solicitud diferente. Este problema se soluciona después de la versión 3.1.0.

Information

Published : 2026-05-05 13:16

Updated : 2026-10-26 19:10

NVD link : CVE-2026-30246

Mitre link : CVE-2026-30246

CVE.ORG link : CVE-2026-30246

JSON object : View

Products Affected

gofiber

fiber

CWE

CWE-436

Interpretation Conflict

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