{"id":"CVE-2026-53624","sourceIdentifier":"security-advisories@github.com","published":"2026-07-08T20:16:52.293","lastModified":"2026-07-15T20:49:42.063","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"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."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"gofiber","product":"fiber","versions":[{"version":"< 3.4.0","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","baseScore":4.8,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.2,"impactScore":2.5}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-10T14:57:02.119046Z","id":"CVE-2026-53624","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-319"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:gofiber:fiber:*:*:*:*:*:go:*:*","versionEndExcluding":"3.4.0","matchCriteriaId":"6AD5DCD5-8A1A-494B-AEB2-38E8CCAC5462"}]}]}],"references":[{"url":"https://github.com/gofiber/fiber/commit/04dd4e7754f61768fddccacc79057e416f13e6bf","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/gofiber/fiber/pull/4389","source":"security-advisories@github.com","tags":["Issue Tracking","Patch"]},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.4.0","source":"security-advisories@github.com","tags":["Release Notes"]},{"url":"https://github.com/gofiber/fiber/security/advisories/GHSA-gv83-gqw6-9j2c","source":"security-advisories@github.com","tags":["Exploit","Vendor Advisory"]},{"url":"https://github.com/gofiber/fiber/security/advisories/GHSA-gv83-gqw6-9j2c","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["Exploit","Vendor Advisory"]}]}