Medium 4.8Published Jul 8, 2026

CVE-2026-53624Fiber is an Express inspired web framework written in Go.

Updated under an hour ago (2026-10-19 07:10 UTC)

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It affects gofiber fiber. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for gofiber fiber

Exploited in the last 30 days

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.

CVSS: 4.8 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness (CWE): CWE-319
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jul 15, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

gofiber fiber gofiber:fiber	before 3.4.0	NVD

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.