CVE-2026-53624

MediumCVSS 4.8/10Last modified Oct 25, 2026

Description

Fiber is an Express inspired web framework written in Go. Prior to 3.4.0, the helmet middleware in middleware/helmet/helmet.go never sets the Strict-Transport-Security response header even when HSTSMaxAge is configured because it checks c.Protocol() for https instead of c.Scheme(). This issue is fixed in version 3.4.0.

Metrics

CVSS 3.1 4.8/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-319

Affected software

Vendor	Product	Versions
gofiber	fiber	< 3.4.0

References

https://github.com/gofiber/fiber/commit/04dd4e7754f61768fddccacc79057e416f13e6bfPatch
https://github.com/gofiber/fiber/pull/4389Issue Tracking, Patch
https://github.com/gofiber/fiber/releases/tag/v3.4.0Release Notes
https://github.com/gofiber/fiber/security/advisories/GHSA-gv83-gqw6-9j2cExploit, Vendor Advisory
https://github.com/gofiber/fiber/security/advisories/GHSA-gv83-gqw6-9j2cExploit, Vendor Advisory

Timeline

Published: Jul 8, 2026
Last modified: Oct 25, 2026
NVD status: Analyzed

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