CVE-2026-53624

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 fixe...

CVE-2026-53624 Fiber: HSTS header never set in helmet middleware due to incorrect protocol check

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 fixe...

CVE-2026-53624

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 fixe...

CVE-2026-53624 Fiber: HSTS header never set in helmet middleware due to incorrect protocol check

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 fixe...

CVE-2026-53624

CVE-2026-53624 (Fiber Go) : The helmet middleware fails to set the Strict-Transport-Security header before version 3.4.0 because it checks c.Protocol() for

GoFiber never set HSTS header in helmet middleware due to incorrect protocol check

Summary The helmet middleware in gofiber/fiber never sets the Strict-Transport-Security HSTS response header, even when HSTSMaxAge is explicitly configured, because the condition check at helmet.go:67 uses c.Protocol — which returns the HTTP protocol version string e.g., "HTTP/1.1", "HTTP/2.0" —...

GHSA-GV83-GQW6-9J2C GoFiber never set HSTS header in helmet middleware due to incorrect protocol check

Summary The helmet middleware in gofiber/fiber never sets the Strict-Transport-Security HSTS response header, even when HSTSMaxAge is explicitly configured, because the condition check at helmet.go:67 uses c.Protocol — which returns the HTTP protocol version string e.g., "HTTP/1.1", "HTTP/2.0" —...

Cleartext Transmission of Sensitive Information

Overview Affected versions of this package are vulnerable to Cleartext Transmission of Sensitive Information due to the incorrect protocol check in the helmet middleware, which fails to set the Strict-Transport-Security header even when configured. An attacker can intercept and manipulate network...

Cleartext Transmission of Sensitive Information

Overview Affected versions of this package are vulnerable to Cleartext Transmission of Sensitive Information due to the incorrect protocol check in the helmet middleware, which fails to set the Strict-Transport-Security header even when configured. An attacker can intercept and manipulate network...

PT-2026-56054

Name of the Vulnerable Software and Affected Versions Fiber versions prior to 3.4.0 Description The helmet middleware in the Fiber web framework fails to set the Strict-Transport-Security HSTS response header, even when HSTSMaxAge is configured. This occurs because the logic in...